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Kenwood KAC-9104D

1800W Max, Class D Monoblock Amplifier

Discontinued
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This item has been discontinued

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Kenwood KAC-9105D

OUR PRICE: $199.99

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Kenwood Car Audio Store Certified Output and Reliable Efficiency

High powered subwoofer applications tend to generate plenty of heat to the amplifier powering them. Music can only be enjoyed when an amplifier is on, and when an amplifier reaches high temperatures it will usually shut off to protect from it damage. The Kenwood KAC-9104D has built-in self-activating fans to protect from high temperatures so your system can play longer without having forced intermissions. That means even under stressful conditions, the built in fans will aid the heatsink to effectively cool the amplifier.

With an impressive output rating of 500 watts RMS x 1 Channel at 4 Ohms, and 900 watts RMS x 1 Channel at 2 Ohms, this amplifier is CEA-2006 compliant so all wattage specifications are true to industry standard. The Kenwood KAC-9104D also has the Capability for a 1-Ohm load to achieve over 900 watts RMS! Combined with their total efficiency and high power output, the Kenwood KAC-9104D is the perfect option for any compatible subwoofer application!

  • Class D Monoblock Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 500 watts x 1 chan.
    • 2 ohms: 900 watts x 1 chan.
    • 1 ohm: >900 watts x 1 chan.
  • Max power output: 1800 watts x 1 chan.
  • MOSFET power supply
  • LED power indicator
  • Tuned Bass EQ (0-18 dB bass boost at 40 Hz)
  • Stackable operation capable
  • Phase inverter (0°,180°)
  • Speaker-level inputs with signal sensing for automatic turn-on)
  • Preamp RCA outputs
  • Short circuit, DC offset, overload, and thermal protection circuitry
  • Aluminum die cast heat sink
  • Built-in cooling fan
  • Gold-plated RCA level inputs
  • Gold-plated screw terminals
  • Variable low-pass filter (50-200 Hz, 24 dB/octave)
  • CEA-2006 compliant amplifier
  • Frequency response: 5-200 Hz
  • Dimensions: 13-3/4"L x 2-5/16"H x 9-3/8"D
  • 4-gauge power and ground leads recommended. Contact us for information regarding a discount on a select amplifier kit when purchased together.
  • 1-year Sonic Electronix warranty

Product History:

Kenwood KAC-9106D thumbnail
(newest, current model)
Kenwood KAC-9105D thumbnail
(previous model, replaced by Kenwood KAC-9106D)
Kenwood KAC-9104D thumbnail
(previous model, replaced by Kenwood KAC-9105D)
Kenwood KAC-9103D thumbnail
(previous model, replaced by Kenwood KAC-9104D)
Kenwood KAC-9102D thumbnail
(previous model, replaced by Kenwood KAC-9103D)

Power Specifications - Subwoofer Channel

RMS Power @ 4 ohms
The RMS power rating is the measure of continuous power that an amplifier can output, or a speaker can handle. It is the most accurate depiction of real, continuous power that the industry has so far. If the final impedance of your speaker(s) or subwoofer(s) equals 4 ohms, this is how much power this amplifier will supply at that ohm level. The higher the RMS wattage, the more clean and loud your music will sound. The 5th channel on these particular amplifiers are usually dedicated for driving subwoofers.
500 watts x 1 channels
RMS Power @ 2 ohms
The RMS power rating is the measure of continuous power that an amplifier can output, or a speaker can handle. It is the most accurate depiction of real, continuous power that the industry has so far. If the final impedance of your speaker(s) or subwoofer(s) equals 2 ohms, this is how much power this amplifier will supply at that ohm level. The higher the RMS wattage, the more clean and loud your music will sound. The 5th channel on these particular amplifiers are usually dedicated for driving subwoofers.
900 watts x 1 channels
RMS Power @ 1 ohm
The RMS power rating is the measure of continuous power that an amplifier can output, or a speaker can handle. It is the most accurate depiction of real, continuous power that the industry has so far. If the final impedance of your speaker(s) or subwoofer(s) equals 1 ohms, this is how much power this amplifier will supply at that ohm level. The higher the RMS wattage, the more clean and loud your music will sound. The 5th channel on these particular amplifiers are usually dedicated for driving subwoofers.
>900 watts x 1 channels

Power Specifications - Full Range Channels

Peak Power @ 4 ohms
This form of power rating refers to the maximum amount of power an electronic device can handle or output in an instant without damage occurring. Often times this maximum is achieved during a brief musical burst, such as a drum accent, or low bass hit.

Some manufacturers display peak power ratings on the face of their products to increase the appeal to consumers. The RMS power rating is more accurate, and we recommend using it for product comparison. However, some manufacture's do not provide an RMS figure and therefore one cannot be advertised.

Peak Power @ 2 ohms
This form of power rating refers to the maximum amount of power an electronic device can handle or output in an instant without damage occurring. Often times this maximum is achieved during a brief musical burst, such as a drum accent, or low bass hit.

Some manufacturers display peak power ratings on the face of their products to increase the appeal to consumers. The RMS power rating is more accurate, and we recommend using it for product comparison. However, some manufacture's do not provide an RMS figure and therefore one cannot be advertised.

Peak Power @ 1 ohm
This form of power rating refers to the maximum amount of power an electronic device can handle or output in an instant without damage occurring. Often times this maximum is achieved during a brief musical burst, such as a drum accent, or low bass hit.

Some manufacturers display peak power ratings on the face of their products to increase the appeal to consumers. The RMS power rating is more accurate, and we recommend using it for product comparison. However, some manufacture's do not provide an RMS figure and therefore one cannot be advertised.

Bridged Peak/Max Power

Bridging refers to combining two channels on an amplifier to create one channel with double the voltage and an increased power output. A 2-channel amplifier will bridge down to 1-channel and a 4-channel amplifier can bridge to create 2-channels. An amplifier is most commonly bridged to drive a subwoofer.

Remember, once you bridge two channels down to one its final impedance will be 4 ohms unless otherwise specified. This rating lists the Peak/Max power created once an amplifier is bridged.

Power Specifications - Subwoofer Channel

Peak Power @ 4 ohm
This form of power rating refers to the maximum amount of power an electronic device can handle or output in an instant without damage occurring. Often times this maximum is achieved during a brief musical burst, such as a drum accent, or low bass hit.

Some manufacturers display peak power ratings on the face of their products to increase the appeal to consumers. The RMS power rating is more accurate, and we recommend using it for product comparison. However, some manufacture's do not provide an RMS figure and therefore one cannot be advertised.

Peak Power @ 2 ohms
This form of power rating refers to the maximum amount of power an electronic device can handle or output in an instant without damage occurring. Often times this maximum is achieved during a brief musical burst, such as a drum accent, or low bass hit.

Some manufacturers display peak power ratings on the face of their products to increase the appeal to consumers. The RMS power rating is more accurate, and we recommend using it for product comparison. However, some manufacture's do not provide an RMS figure and therefore one cannot be advertised.

Peak Power @ 1 ohm
This form of power rating refers to the maximum amount of power an electronic device can handle or output in an instant without damage occurring. Often times this maximum is achieved during a brief musical burst, such as a drum accent, or low bass hit.

Some manufacturers display peak power ratings on the face of their products to increase the appeal to consumers. The RMS power rating is more accurate, and we recommend using it for product comparison. However, some manufacture's do not provide an RMS figure and therefore one cannot be advertised.

Amplifier Specifications

Amplifier Series
This designates the series of the amplifier. Many amps are available in a litany of different wattage and channel configurations, but maintain consistent features throughout the product line.
Amplifier Class

An amplifier increases the power of the signal being fed to it by taking energy from its power supply and matching the signal but increasing its amplitude. Amplifiers use many different methods for converting these electrical signals and have been categorized into classes.

Class A/B: Greater than 50% of the input signal is amplified while the other percentage is “off”. These amplifiers have a small amount of current flowing through the output transistors all the time which almost eliminates crossover distortion. Class A/B has great sound quality but is not as efficient as class D. These amps are most commonly used to drive speakers.

Class D: Also known as switching amplifiers, class D amps have output transistors that are completely turned “on” or “off”. This means that when the transistors are on, there is almost no voltage across them but when they are off there is significant voltage but no current flowing through it which makes these amplifiers very efficient at the cost of sound quality. These amps are most commonly used to drive subwoofers.

Other Classes: You may see classes such as GH, bD, X, FD, etc. by some manufactures. These amplifiers tend to be either class A/B, D or a hybrid of the two but with improvements to their designs that can make them more efficient or offer better sound quality.

D
Number of Channels
Each channel on an amplifier will power one speaker using a positive and negative cable. There are various types of amplifiers, each designed to power a certain number of speakers. Monoblock amplifiers, also known as single channel, are designed to power one or more subwoofers. These amplifiers often have very high power ratings. On the other hand, multi-channel amplifiers power multiple speakers, usually at lower power ratings. 2-Channel and 4-Channel amplifiers can power car speakers or low powered subwoofers. Occasionally you might see a 5 or 6-channel amplifier that can power speakers and subwoofers at the same time. The most common setup is a monoblock amp to run subwoofers and a 4-channel amp to run door speakers. Check out our Knowledge Base for more information.
1 - Mono
Total Peak Power Output
The total peak power output is measured as the wattage per channel multiplied by the number of channels, and is calculated at the lowest level of operating impedance.

It is measured during a brief musical burst, such as a sudden drum accent. Some manufacturers display peak power ratings on the face of their products to increase the appeal.

The RMS power rating is more accurate, and we recommend using it for product comparison.

1800 watts
Total RMS Power Output
Total RMS power is measured by multiplying RMS power per channel by the number of channels, and is calculated at the lowest level of operating impedance.

RMS power is the amount of continuous power, measured in watts, that an amplifier produces is called RMS power. The higher the RMS figure, the louder and cleaner your music sounds.

The RMS output figure is much more accurate than the peak rating when comparing products.

900 watts
Maximum Input Gauge Size
This is the largest gauge wire that will fit into the power and ground terminals of this device. The lower the gauge number, the thicker the wire is. For example, a 4 gauge wire is thicker than an 8 gauge wire and thus has higher current carrying capacity. Always do your best to get this size wire to reduce the risk of damage to your components.
4 AWG
Minimum Impedance Unbridged
The lowest impedance the amplifier will handle when it is not bridged.
1 ohms
Minimum Impedance Bridged
The lowest impedance the amplifier will handle when it is bridged.
THD at Rated RMS Power
The amount of change in harmonic content of the signal as it is amplified. A lower figure indicates less change and a more accurate amp. THD below 0.10% is inaudible.
0.8%
Speaker Level Inputs
Speaker level inputs are commonly referred to as high-level inputs and vice versa. This input type allows you to get your audio signal directly from the speaker wire in your vehicle, instead of using RCA cables. The advantage of this is factory integration, as most stock radios do not have RCA outputs to run amplifiers.
Yes
Preamp Outputs
Many amplifiers are equipped with RCA preamp outputs which pass the original music signal from the source to additional amplifiers. This is known as daisy chaining because the source connects to the first amp, and the first amp connects to the second amp, etc. The advantage to daisy chaining is you only need one 2-channel RCA cable to transfer the signal from the head-unit to the amplifier, and then one additional cable for each amp being daisy chained.
1 pair
Built-in Crossover

A crossover is a type of filtering system that permits only certain frequencies to play. A Low-Pass (LP) crossover allows only frequencies below its setting to get through which is good in the case of some subwoofers. A High-Pass(HP) filter allows frequencies above its setting to pass through, this is normally used on speakers.

When a crossover is set to FULL it means no filtering is added and the full frequency spectrum is allowed through the amplifier. Filtering is important because feeding a speaker frequencies it cannot reproduce effectively creates distortion.

Low-pass (LP)
Low-Pass Crossover Frequency
The low-pass crossover frequency is typically used for subwoofers. It can be a fixed crossover point or a variable crossover range. A variable low-pass crossover allows you to select a specific crossover point which allows frequencies below the set crossover point to pass, while making frequencies above the set point gently or harshly roll-off, depending on the steepness of the slope.

The steepness of the roll-off slope is measured in dB/octave and refers to the rate of attenuation (lowering of volume) outside their pass bands.

50 - 200 Hz
Signal-to-Noise Ratio
This spec compares the strength of the signal to the level of background noise. A higher value indicates less background noise.
75 dB
Bass Boost
The objective of the bass boost is to get more kick out of your subwoofer. It is a circuit that emphasizes the lower frequencies at a given point. The bass boost should always be set first before setting the gain. This feature is known for destroying subwoofers and is commonly used incorrectly, so be cautious.
0 - 18 dB
Bass/Gain Remote
If the amp comes with a bass/gain remote you will be able to control the level of your bass from your dashboard. Typically bass remotes also include a 16-20 ft. wire for installation.
No
Fan Cooled
A great feature to have if an amp generates a large amount of heat. Cooling fans can help regulate the temperature to prevent the amp from overheating (burning).
Yes
Fuse Rating
The amperage and the number of fuse(s) an amp requires.
30A x 2 
Strappable
Some amplifiers can be "strapped" together in order to increase the output of a single audio channel. These amplifiers feature RCA preamp outputs, allowing you to pass the signal directly from one amp to the other to ensure consistency.
CEA-2006 Compliant
Amplifiers that have been tested to meet specific standards. When a car amplifier meets these standards, you can be sure that it will be able to produce the amount of power specified by the official CEA-2006 rating. Usually, these rating consist of the following items:
  • RMS Power
  • Signal-to-Noise Ratio

This rating applies to both external car amplifiers, as well as the amplifiers inside of in-dash stereos.

Yes
Sonic Certified Amplifier
Sonic Certified amplifiers have been tested by the experts at Sonic Electronix to meet or exceed the wattage ratings provided by the manufacturer. If this is marked as Yes, then you can trust the wattage ratings. If marked as No, then we have tested the amplifier and it did not meet the advertised wattage ratings. If marked as Not Tested, then the Sonic Electronix experts have not yet been able to test the amp.
Amp Bluetooth Connectivity
This feature will tell you if the amplifier has the capability to connect to a Bluetooth device.

Specials with this Item

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Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
75%
4 Star
18%
3 Star
5%
2 Star
1%
1 Star
1%

Average Attribution Rating

Durability
4.6
Value
4.6
Features
4.4
Design
4.7
Usability
4.7
Tyler

Mattoon, IL

Overall
Durability
Value
Features
Design
Usability
Great Amp

February 23, 2011

This amp is awesome. For the guy who said it would go into power protect mode at 1 ohm its not that the amp can't handle it its your stock alternator not being able to keep up and your voltage is dropping to low thus sending it in to micro protect mode. Got this wired at 1 ohm to 2 Rockford Fosgate 12 inch p3's with a 220 amp alternator to keep up the power and all i can say is WOW. So in the future those of you who dont know how to hook up a system properly - DONT WRITE A REVIEW and TAKE IT TO A PROFESSIONAL TO INSTALL. Also its CEA compliant so its 1800 watts peak not 900 just cause you stand outside your car and think it doesnt sound like 1800 doesn't mean its not just means you need to learn how to hook up your stuff.

10 of 16 found this helpful

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Ainsley

Pompano Beach, FL

Overall
Durability
Value
Features
Design
Usability
KENWOOD AMP

January 15, 2010

I'M USING THE KAC-9104D TO DRIVE MY MTX THUNDER T7510-44 SUBWOOFERS AND IT' S WORKING GREAT SO FAR.

8 of 12 found this helpful

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Kevin

Mesa , AZ

Overall
Durability
Value
Features
Design
Usability
Very Good Product.

June 14, 2009

Only had this amp for about a week now but I love it. Im pushing a 12" JBL P1224 with it and it does the job right. Hasnt overheated at all, has the fan so i dont think that should be a problem. The look of it is very clean and slim. I would def recommend this to anyone.

7 of 10 found this helpful

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mickey

Indianapolis,indiana

Overall
Durability
Value
Features
Design
Usability
good amp!!!

January 31, 2012

I just bought one of these amps a couple of days ago and i have to say out of all of the car audio I've owned this amp seals the deal. I am pushing 2 12" Pioneer champion series subs and it is amazing. I recommend this amp to any one who is looking for a big time bass.

10 of 17 found this helpful

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Nathan

Washington, PA

Overall
Durability
Value
Features
Design
Usability
Kenwood 9104d

January 6, 2012

I didn't get the amp from here, I bought it off a guy that powered two cvr's with it. I powered two kenwood kfc-3012's and these things bumped hard. Although after a while the Kenwoods proved to be not enough for me so I went and bought an Addictive Audio 15 version 3 1000 watt rms 2100 peak. I still have this amp and let me say I am surprised the excursion this amp produces. It hits easily hits 20% harder than the two 12's. But like everyone said it is power hungry, either upgrade your alternator, get a second battery, and possibly do a big 3 and you will never have a problem with this amp running at 1 ohm. I have to push this thing over 3/4 gain and input sensitivity for it to shut off. But I did notice it will start to distort if you go too high so if you don't distort the amp it won't shut off.

9 of 15 found this helpful

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trudy

ashland, OH

Overall
Durability
Value
Features
Design
Usability
good power for a good price

February 13, 2010

i have this powering a kicker l5 15"! i love it i have it mounted to the back of my seat and it looks great! i would recommend this for anything 750-1000 watts

7 of 12 found this helpful

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bro

Indiana anderson

Overall
Durability
Value
Features
Design
Usability
great deal

December 23, 2009

powers every thing i have very nicely with power to spare

5 of 8 found this helpful

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orphic

Norfolk

Overall
Durability
Value
Features
Design
Usability
Excellent amp! Just watch out this is now 1800w!!!

September 22, 2010

This amp is everything you could ask for. It's clean, very nice looking and delivers POWER. However! PLEASE be aware that this is NOT an 1800w amp. This is a 900w amp that can be daisychained to another 9104 or 9105 to deliver 1800 watts of power.

I made this mistake of purchasing one thinking it delivered 1800w and my two Pioneers would cut out due to the amp being too small for them. HOWEVER, if you're only looking for something in the 900w range then this is the best BANG for your BUCK to BOOM.

7 of 13 found this helpful

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Curtis

Oakland, MD

Overall
Durability
Value
Features
Design
Usability
Don't shop anyplace else!

April 30, 2010

Sales, parts, and shipping were all first rate. The products I bought from Sonic Electronix (KAC-9104D: Infinity 475a: Rockford Fosgate RFK4D: Rockford Fosgate RFI-20) all arrived very quickly and have been rattling the glass in my 05 Siera and bringing smiles to peoples faces, especially the women when they sit in the back seat where the subs are mounted underneath!!!!!

9 of 17 found this helpful

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MoEasy

Bklyn, NY

Overall
Durability
Value
Features
Design
Usability
KAC-9104D

April 18, 2010

Very excellent AMP no issues what so ever. Would refer this product over and over again.

6 of 11 found this helpful

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JL MAN

Harrah, Oklahoma

Overall
Durability
Value
Features
Design
Usability
Awesome Amp

March 7, 2010

I purchased this amplifier because after purchasing higher end subs and head unit, etc. I did not have enough money to purchase a expensive amp. This amp pushes my two jl, 10w3v3's beautifully. I was going to buy this amp, use it until I had enough money to purchase a jl amp, which is very expensive. I have decided after using this amp to keep it.

Pros:
Looks awesome, lights up blue
awesome power
doesn't suck all of the power from my alternator
runs at a cool temperature

cons:
NONE!!!

6 of 11 found this helpful

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frank

Tulsa, OK

Overall
Durability
Value
Features
Design
Usability
WOOOH

February 13, 2010

This thing is awesome!!! it was so easy to mount, had the self tapping screws which made install so easy. all the wires connect tightly and this thing throws out some nice power!! if your looking for something to BUMP, then look no further, this is your amp

5 of 9 found this helpful

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Rick

New York

Overall
Durability
Value
Features
Design
Usability
Awesome Power Amp for the Price

February 11, 2010

i recommend this amp with a capacitor. it draws too much power causing lights to dim and such. but in overall performance i have won 3 competitions with it. very nice on pure power and very low % distortion of bass is the freq is set right.

i have:
Equalizer - Kenwood KGC-9044
Head Unit - Kenwood KDC-X791
2 Bass Amp - Kenwood KAC-9104D
4 12" Kenwood KFC-XW12R @ 1.33 Ohms
Inner Voice Amp - Kenwood KAC-X40 - 100 watts RMS x 4 @ 2 ohms

i have to say Kenwood does match their frequency good. as to loudness is not all that makes a Car Audio System good but frequency is my priority.
Tip - if you match frequency it will always beat loudness. ask yourself this... why sound loud but sound like crap then quality sound and in frequency response. Thats what makes people say Damn you sound awesome then just to be the loudest guy on the block. i won my competitions based on fidelity, clarity and bass DB's

6 of 11 found this helpful

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CN22

Houston, Texas

Overall
Durability
Value
Features
Design
Usability
Best Amp

January 25, 2010

I have the 1000 watt version of this same amp and let me tell you.... my bass knob is barley past half way with my 2 JL W1s. My system hits hard and and I could only imagine adding 800 watts. I'd be scared to blow the subs out!

3 of 5 found this helpful

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Ervin

jacksonville, FL

Overall
Durability
Value
Features
Design
Usability
Too Powerful!

November 9, 2009

Got this amp for my 2 rockford fosgate 12s but while i was waiting for them i hooked my 12' jbl but after 20min of playing smoke started coming out of the box. now this amp has been pushing my p2s for 5 months without any problems and it barely gets hot after hours of playing.

3 of 5 found this helpful

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Powerhouse

Red bluff,ca

Overall
Durability
Value
Features
Design
Usability
Great amp!!!!!!!!!

October 27, 2009

i just got this amp yesterday and it is very powerful, compared to the xpold 1000 watt amp i had, those amps suck!!! But this amp is great im running it at 4 ohms to a 12'' pioneer champion series and its giving it all it can handle, the best thing about this amp is that it does not get very warm running 4 ohms. would recommend to any body looking for a amp that will run simi cool on 2 or 4 ohms.

2 of 3 found this helpful

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Faraad

Baton Rouge, LA

Overall
Durability
Value
Features
Design
Usability
Great Amp, Best Bang for the Buck

October 24, 2009

I have this amp pushing two 12" pioneer dvc subwoofers and it hits hard. This is the cheapest, quality amp you'll find at 500w RMS x 1 @ 4 ohms

6 of 11 found this helpful

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Joshua

Florence, CO

Overall
Durability
Value
Features
Design
Usability
Good Amp

October 8, 2009

Amp runs good and hits hard I have 4 MTX 10 inch subs hooked up to it cuts out on low bass I might be buying a another one but for the money and everything else sounds good.

3 of 5 found this helpful

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barry

narvon pa

Overall
Durability
Value
Features
Design
Usability
powerful

September 10, 2009

it hits hard when you need it most.....i have it only 3 quarters the way up and ppl hear me very far away... though i have it overheat and shut off but thats it.....let it kool down and your good to go

def worth buying

3 of 5 found this helpful

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Aaron

Nebraska

Overall
Durability
Value
Features
Design
Usability
Lost's of POWER.......

May 25, 2009

I got this amp pushing a set of ORION Bp-12d4 BASSPACK....500rms a peice...1000watt maX.. and those thing's make you suffacate you can't breathe....lol it's crazy.....all's i say is it's one hell of an AMP. get it you won't be dissapointed.....!!

3 of 5 found this helpful

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Steven

Grovetown, GA

Overall
Durability
Value
Features
Design
Usability
Nice amp

November 19, 2008

I love this amp. I currently have it running two Kenwood KFC-W3011's In a ported box. I have it wired in 2ohms and have yet to have a problem with it.
This amp has enough power to keep most anybody happy. If I ever feel the need to upgrade my system I will just set up two type R's at 1ohm with this amp.
One good thing about this amp is the power terminals are large enough to accept even 8awg loop connectors.
This amp has a lot of bang for the buck. And durability does not seem to be a problem. A great amp for a decent sub setup.

3 of 5 found this helpful

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Mark

Beeville, TX

Overall
Durability
Value
Features
Design
Usability
Great amp. for the price.

July 14, 2008

I HAD THIS AMP PUSHING MY 2 12 SONY XPLODS(BLACK).I WOULD RECOMMEND AT LEAST A 1 FARAD CAP THOUGH.I RECENTLY SWITCHED IT OUT FOR A ROCKFORD 600.1BD AMP AND THE POWER FEELS THE SAME BUT YOU CAN REALLY HEAR THE DIFFERENCE WHEN IT COMES TO FREQUENCY RESPONSE.

6 of 11 found this helpful

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Jacob

The Colony, TX

Overall
Durability
Value
Features
Design
Usability
Awesome amp

July 11, 2008

Okay... To start off this amp kills my Kicker amp that was 200 dollars more... I will now explain each star value...


Value: I paid 174.99 for this amp and it was worth EVERY PENNY... This same amp is like 299.99 at a bunch of other places... I don't know how sonic electronix does it... BUT IM SURE GLAD THEY DO!... Great value!

Design: I have to say... this is a very sexy and sleek amp... You get the nice steel looks... its slim and small... but you get a nice cool blue accent light when the amp is turned on... a great looking amp

Durability: now as of right now I have only had this thing hooked up for 3 weeks... however I've had absolutely ZERO problems... seems pretty durable and solidly built...

Features: Okay this thing has tons of feathers... to start it has intro sonic filter to help filter out unwanted noise... has tons of adjustments so you can tune it just right to your liking and it has 2 sets of speaker terminals... great for dual voice coils... which i have(2 kenwood 3514DVC) ((THEY HIT SOOO HARD!)) and then this amp has 2 cooling fans.. one in and one out... so it wont over heat... i love that feature...

Ease of use: This thing is about as simple as it gets... very easy to hook up.. comes with EVERYTHING you need.... its goof proof!

Bottom line.... I would recommend this amp to ANYBODY... audiophiles or beginners... with the 900W RMS... its a dang powerful amp to0....!! Great price as well don't pass it up!

4 of 7 found this helpful

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Shawn

Tacoma, WA

Overall
Durability
Value
Features
Design
Usability
A top amp by a top brand with top quality!

November 14, 2010

You can't beat the value of this amp! Awesome specs, great price, and it matches my other amps. I plan to purchase another one soon for my current car!

6 of 12 found this helpful

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Travis

Independence, MO

Overall
Durability
Value
Features
Design
Usability
Most Power for the Money. Period.

August 19, 2010

I have owned many amps over the years from RF, MTX, XTANT, Alphasonik, and so on. All were great amps but I will have to say I was most surprised by this Kenwood. First thoughts after first picking up the amp is no way this is a 900 watt amp because it doesn't weigh very much at all compared to other amps I have owned. The RF P3001 (300 Watt) I was replacing weighed twice as much. After installing it with 4 gauge power and ground wire with a 1 farad cap on two Kicker 12" L5's I was totally amazed! This amp puts down some power and that ain't no joke! Only down fall Is no remote bass knob but if you get it dialed in you really don't need it. You WILL NOT be disappointed in the power this Kenwood will deliver I promise!

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Lsxtrkiller

Bakersfield, Ca

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Great if your electrical system can handle it

August 2, 2010

This amp is great for the price the only flaw i could find was that it sucked a ton and a half of power it drained my power cell in under 10 min if the car was not on. my friend has a larger alpine mpr-m1000 amp and a smaller power cell than mine and his lasts a lot longer... and we measured from a full charge on the cells

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cesar

las vegas, NV

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Value
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great amp!

June 30, 2010

I only got this amp because it is CEA-complaint and it was well worth it. It was more than i wanted to pay for but I'm satisfied with the amp. Its pushing my 12" type R , but is uses a lot of power i had to go out and get a capacitor. The amp does get hot but has not cut off on me yet. I still love it and would recommend it 100%

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DFkilla

monahans, Tx

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Value
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Usability
Good stuff

April 16, 2010

Easy to hook up and adjust... had one that my base tore up after a good long while.... got a 2nd no problems yet

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trev

Bakersfield, CA

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Value
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great value

March 31, 2010

i have had this amp for over 6 months it has a ton of power and everything is great about it besides the part it does not have a bass remote but other than that this amp is great!

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Tom

fresno, Ca

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Value
Features
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Usability
Great Amp

March 29, 2010

Great amp lots of power...Received it in new condition and has worked perfectly since i bought it a year ago...Would definitely buy again :)

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jr

columbus,Ohio

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decent amp

January 26, 2010

this is a decent amp, i hooked it up to a set of kenwood kfc-w3012's for a 2ohm load with a capacitor and it hits so hard its like a nice back rub sittin' down in my car but they don't set any car alarms off but its still pretty decent and one of my best buys ever never bought a amp so cheap!

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kenwood user

South Africa

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good amp

January 8, 2010

had this amp wired to 2x12 alpines type e
amp fried the subs after 4days and the gain was only on 1/2
gona wire it to type r

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L7man10

Topeka, ks

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If you are interested in this amp please read!

January 6, 2010

I recently bought a dual 4 ohm kicker l7 15" sub and was in the market to buy an amp to run this beast of a sub. I was looking for cheap as well as functional, and I picked up this amp off sonic in the open box section and payed $150 and let me tell you this thing has some good clean power an it never even gets warm. There's a lot of negative reviews on this amp about running it 1 ohm. Personally I have it at 2 ohms and haven't had a single problem. I honestly don't think this amp is made to do 1 ohm but I've never actually tried it. It could be as simple as the people don't have a good enough charging system(capacitor, battery, alternator) I think this amp is a great buy and sounds louder and better than my brothers 15 l7 on a kicker 750.1 and it's half the price.... GOOD BUY!!!

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Zachary

MI

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Value
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Worth the money

December 25, 2009

I would definitely recommend this product. This amp easily ties into a preexisting stereo system if you are trying to power additional subwoofers. The sensors make it so that every time you turn off or on your car the amp will also accordingly power up or off. Excellent buy, excellent sound quality.

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Joseph

Pinehurst, NC

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Not a bad amp

October 7, 2009

It's a good amp. I've had mine for, oh, I'd say two months now, and I have to admit, I'm already looking for a new amp. It does well when powering my two Kenwood W3012DVC subs (400W RMS each). The three things I don't like about it: it gets way to hot even with it's built in fan, the bass drops on demanding songs and not due to protect either, and lastly the thing goes into protect way to often. It's annoying, but it's a damn good amp. If you don't mind it going into protect, it's a great budget/starter amp. Get two W3012DVC's or any sub around the 400W-500W RMS range, hook them up to 1-ohm, and this amp will run them nicely. Currently looking at either a Autotek SM1-1500 or a Rockford Fosgate T10001db or T1000-1bd on two Fi SSD 12's or one Fi Q 18. But like I said, it's a good amp. Get it if you want to save some cash and still be impressed.

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IGotSPL

lago vista, TX

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Value
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Usability
Kenwood

September 14, 2009

I had this amp hooked up to 2 10inch wild beasts.It was barley pushing the rms to each one but they would pound hard and sound like 12's.The only problem I had was that it would go into protective mode too often and it would always be hot as if the fan wasn't gettin the job done.

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mitch

wilmar, mn

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Value
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kenwood

September 12, 2009

this is a nice amp i got it powerin my 2 12'' insignias in a ported box and let me tell you for insignias they pound and it dont over heat, dont pop fuses its just a nice amp.

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kenwood fan

ohio

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awesome amp, you guys dont know anything about car audio

July 16, 2009

this amp is absolutely awesome for the money. it will run all day and puts out great power. those of you who say it cuts out at high volume should check your electrical system. this amp has a built in dc current shut off. its shutting off because your electrical system alternator can't give it enough power. this amp is just saving your subs from blowing. get a high output alternator to fix it.

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Fredrick706

Dalton,Ga

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Value
Features
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Usability
Its Allrite

July 13, 2009

i had this amp pushing to 12"s(kenwood) running at 2ohms and it would shut of on the low notes on high volumes overall its alrite running at 4ohms.Still its a great amp.

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Gordon

Compton, CA

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Value
Features
Design
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It bumps

May 6, 2009

Sounded like it hits harder than the clarionDPX1800 it replaces in the trunk of a c70. Person i baught it for was very happy. he said it was more boomy that it's clarion counterpart. Otherwise this thing hits.

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Luke

Wisconsin

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Value
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Design
Usability
Very Satisfied

April 27, 2009

This amp has been very reliable and I have no issues with it. It performs very well even when I feel the need to crank it up. I will be showing this one to my friends in case they want to do a setup in their own rides.

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David

Davenport, IA

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Value
Features
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Great Value-Great Sound

April 27, 2009

I had this amp professionally installed running (2) 12" Memphis M3's. The installer was amazed at how crisp and hard it hammered, me too. I love it! great value.

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deshawn

murfreesboro, tn

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Value
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Design
Usability
very good

April 6, 2009

I got got one of these on two twelve JL w6's and it hit very hard i would recommend this amp to anyone

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Bill

Columbia, SC

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Value
Features
Design
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Hit Hard

February 20, 2009

It is a great amp. I have 2 12's in a 2005 ford expedition EB and in the next 2 weeks, i will have another kenwood KAC-9104D and 2 more 12's. Kenwood is a great product and I strongly recommend getting it. Just don't be cheap with the Amp Cable kit, you need a 0 or 4 AWG kit. Make sure your cable is thick.....

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Derrick

Neligh, NE

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Value
Features
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Not too bad

January 20, 2009

I have had it hooked up for about 3 weeks now. First I had it pushing 2 crossfire 12" subs and it was way to much for them. Now I found a good price on some MTX thunder 8000s which are 500 RMS per sub and this amp pushes them all most to their limits wired at 2 ohm load. That's with no cap and a stock 60amp alternator. That's pretty good I think. for the price I wont complain. I'm also planing on buying a 2nd one and running 1 amp per sub when I get my new subs.

This is the best amp I have found for this price

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ryan

San Diego, CA

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great value.

October 29, 2008

this amp is a great value for those looking to produce a 4 ohm load. with 500 watt RMS @ 4 ohms, you can't find a quality amplifier within $100. @ 2 ohms though, i've read in a review that it only puts out around 670 watts RMS, so if thats the case you might want to look elsewhere for 2 ohms. have only had one problem with the amp and it was a simple fix. the amp shut itself off and after looking the the troubleshooting guide and rewiring the subs it worked fine. the amp does get hot, but it has yet to shut itself off due to heat. before i had it powering a polk audio mm10 500 watts rms @ 4 ohms. my current set up with this amp is 2 10" kicker comp vr's, which can handle 400 watts RMS and i still haven't found a volume/gain level where there is any hint of distortion. if you order this amp, you don't need a line out converter. all you have to do is tap whatever speaker wires you want and connect them to the supplied wires for the speaker input. that alone takes care of buying an LOC and running an extra wire for a remote turn on.

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cody

poplar bluffPoplar Bluff, MO

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Usability

August 25, 2008

i have one of these hooked up to a mtx 9500 and it makes my door flex out it hits so hard for the price its a very good deal and i payed $100 more for mine at b*** ***

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Jaime

Elgin, IL

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Nice!

July 28, 2008

I bought this to power 2 Kicker 07CVR122, although I haven't installed my system yet, I trust Kenwood to deliver enough power to the subs. 500rms@4ohms or 900rms@2ohms, 1800 watts peak power, cooling fan. Four speaker terminals to connect two subs if you want.

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Brian

Bemidji, MN

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Usability
Wow!

July 25, 2008

I'm very very impressed with this amplifier, it's really spiced up my system. I originally had 2 Pioneer single 4ohm voice coil sub woofers with a Pioneer 350 watt 2 channel amp power them. Since I purchased this amplifier I'm only running one of the Pioneer subs I had, it's drawing 500 watts at 4 ohm and you can hear the system from blocks away and it's a lot better sound on the inside of the vehicle compared to the Pioneer 2 channel I had been using. Kenwood made a fine product!! I can't wait to hook it up to the Polk SR sub I just ordered :)

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Richard

Denver, CO

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great amp

July 11, 2008

This amp is one of the best out there for the buck. sonic has great deals on kenwood items. If you buy this amp plan on buying a decent capacitor this amp loves power and if you feed it what it wants it will definitely rock your world.

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IAMD1

Dirty South

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AIGHT

April 17, 2011

It ok, puts out good power, just cut out sometimes. i only have subs bridged 2ohms, so i added another fan, better now

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JL POLO

Montgomery,Al

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hands down a good amp.

March 5, 2011

I don't know if cause the amp has never overheated since I installed it , i paid dirt cheap for gold, or cause new my 2 12' JL w3v3 are not shutting this amp down at full volume. But i love this amp.... not everyone gets lucky with this amp cause its a gambling amp. My cousin gets the exact same amp and his stop working after two hours. So just have to be careful......... of course i feel like it may no be the full 1800 watts but you get what you paid for. but when i had my 2 12' JL w1v2 this amp was perfect for such subs.... I recommend this amp if you got under 700 Rms to push

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Jerry

Winchester, VA

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Features
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Usability
Great value

September 21, 2010

It is very powerful for it size has a built in fan for cooling. I would recommend it to anyone. It can handle 1 ohm load.

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Andrew

Uganda

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Value
Features
Design
Usability
Great Value

September 17, 2010

Yeah! I would consider this amp of great value. I have used other amps before and found them wanting especially if you want more power, but this thing is a real 'worth your money' kind of gadget. I recommend it for those with serious subs..

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k-dub

Canada

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happy costomer

August 21, 2010

this is truly a nice amp 1800 watts it destroys my kicker L5 it stays nice and cool thanks to the fan never has it shut off from over heating or overload she takes it all. For anyone that wants an amp this is decent!

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Beauty

Idaho Falls, ID

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Awesome Amp!

May 10, 2010

This amp works great, would recommend it to anyone!

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NR4MPG

seagoville, TX

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this is a good amp!!

April 22, 2010

This amplifier does have a lot of power, i never have tried kenwood but i am impressed, this is a good amp if you like to have something decent on you car or truck. i am actually of thinking of purchasing another amp so i would have 4 12" kenwood subwoofer so it would meet the sound i would like to have on my truck.

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Cesar

cooidge, AZ

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Features
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Love this amp

April 20, 2010

Love this amp! It's mean as heck. Tons of power and really efficient I would recommend this amp over and over again.

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marcos

Tucson, AZ

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Usability
perfect amp...

April 2, 2010

got this amp hooked up 2 ten" kickers in a sealed box this things hit really hard..... nice price....

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Tim

Fayetteville, NC

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Great output

April 2, 2010

Just got it installed today. Sounds great hooked up to a Pioneer 12" Dual 4 ohm Champion PRO Series Subwoofer running at 2 ohm for a rated 900 RMS. I also went with a 2.0 Farad Digital Power Capacitor made by Tsunami to help reduce the lights dimming. I have a stock battery and alternator on a 2009 Accord and only running 8 gauge to the amp. Despite this it sounds really good and I have 3 Gauge shipping to upgrade the wire to see if that helps with the lights slightly dimming.

The sub is in a .8 ^ft sealed box and combined with this amp it thumps. I have the signal input coming from the stock 8" sub that comes in my car. That way I can control the output of the amp and sub from my stock head unit. Definitely comes in handy to adjust bass output for different songs without affecting the 6.5's in my car.

It's great tight responsive bass in a small package taking up only about one total square foot. I'd recommend it to anyone wanting the best in affordable sound upgrades. I have yet to play it at full volume yet as I'm still breaking it in but it does sound incredible.

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Mark

Winslow, IN

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Features
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Good Amp

March 22, 2010

Had the amp for about 4 months. Very pleased with it for the money u won't be disappointed. Looks good and has plenty of power. Only complaint is doesn't have a remote bass control.

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Derrick

Brevard,NC

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Features
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This amp is a BEAST

March 5, 2010

This amp is excellent. I upgraded "the big three" and installed a yellow top optima battery before I installed this amp because even though it is class D, it takes some juice. This amp will pound a crack in the pavement when combined with the right power supply and subs.I have put the pain on this amp and it only gets warm. This amp has NEVER overheated or clipped out. It is my opinion that if one knows what there doing, this is a cool running dependable amp that is a real bargain for roughly $200.00

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Mike

Oak Lawn, IL

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Truely amazing!

February 19, 2010

It's a great value. I found this same exact amp at best buy for 300 bucks. It doesn't even heat up when it is turned up. Nice bass boost too!

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Dmo

Oregon

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Value
Features
Design
Usability
Awesome amp!

December 24, 2009

I bought this amp to power two Kicker CompVR's and this thing makes them pound in my 1989 Dodge Dakota Reg. Cab. I don't like the cover plate because I could only mount it underneath my bench seat and I would have to remove the seat to take off the plate to just adjust the amp. So, I just leave the cover plate off since it's under my seat and no one sees it. This amp is great and will handle any 2-ohm or greater resistant configuration with ease.

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Wesley

Bellefontaine, OH

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Perfection....

December 16, 2009

I Love this amp and everything about it.... well except for one thing. The way you mount the amp, the controls for bass boost, etc.. are on the same side as the cable hook ups. It's not the best spot if you need to tune it (thats if you mount it veritcally). But other than that I love this amp. It doesn't come with a bass boost knob but would be nice. I'm sure you can buy an universal one. Right now actually my radio doesn't work need to replace it but the amp's bass boost is up about half and the gain is a little lower than half way and I get great bass. I have it running to 2 12in. kenwood kfc-3011 on a 2 ohm load getting 900 W rms. Haven't had any problems with overheating or anything. If you are looking for a durable, affordable, powerful amp this is the one for you. And of course SONIC had it for the cheapest. Get all your audio stuff here they know what they are doing. Im about to order another radio from here. Oh well buy this amp you can't go wrong. Another thing::: DO NOT TIGHTEN THE ALLEN BOLTS ON THE FRONT COVER TOO TIGHT YOU WILL HAVE FUN TIME GETTING IT OFF!! (I think that is what they are called....)

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Happy Thumper

Augusta, GA

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Great value and shipping

October 25, 2009

This amp is everything I expected from Kenwood. Although their head units are nothing to brag about, the amps are top notch. Thanks Sonic for a price that won't break the bank.

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Jerimy

Fairbanks, AK

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Very good amp

September 20, 2009

I bought this particular amp to push a 10" rockford fosgate, so far I have had no issues with it. It is a very good amp to fit into small spaces. I have a crew cab pickup so it worked best for me. I would recommend this amp to anyone looking for a small amp with a lot of power.

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joe

oak cliff, tx

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great amp @ great price

September 2, 2009

i bought this amp to go with a kfc-w3011 sub. i put it in a 1.2cf sealed box. it sounds great. doesn't over heat. nice selection of setting on the amp. i got it hooked up and dialed in a couple months ago. since then i haven't done anything but listened. i have been really pleased with it. and i like the flexibility of being able to move up to a 2 ohm or even 1 ohm down the line if i want to get wild.

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Regalize It

Milwaukee, WI

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What more could you ask for?

August 21, 2009

This amp has kept my system thumpin' for 6 months now, never had to replace any fuses and it never overheated. It has plenty of power to supply basically any system. If you're looking for something with a decent RMS i'd definitely recommend this. This is my 3rd amp and I've never had a problem with it. The only bad part is taking the plate off every time you want to undo the wires, and no bass control knob for the interior of the car.

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HIROSHIMA

south orange county

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BLEW MY OLD SUBS QUICK

July 10, 2009

had a pair of performance tekniques running on an old 1000 watt amp... they were fine... got this amp and blew the old subs in a month.... i meant that in a good way! now i got some carbon fiber coned subs my local installer recomended and D**N! i have a 3.5 farad capacitor hooked up to give it extra power and my headlights still bounce in and out with the bass! the lights in my eq drain too! its a great amp for the price, stays cool under pressure... lots of pressure, and power.... when i get a grip of money together im going to upgrade my subs to something super heavy and i cant wait to see what this amp is really made of... cuz on the 0-18 db gain i have it on 1... when i get something im not afraid to blow ill turn it up! BUY THIS AMP

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Black Child

Grenada

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Krazy amplifier

April 16, 2009

i had this Kenwood KAC-9104A pushing a 12" audiopipe and to be honest it hitting really hard. this amp is very impressive.

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Al

Fruita, Co

Overall
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Features
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Very Good

December 21, 2008

this is a very good product it was powering two 12 in polk subs but i blew those. now its pushing two hifonics brutus subs and it gives them enough. it says 1800 but is really only putting 700-900 watts max. i recommend this to anybody.

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Gregg

Cincinnati, OH

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Features
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Usability
Nice Amp

October 2, 2008

This is a great amplifier. I have it powering my dual subs (i know they are not that great) but i plan on getting one alpine type x. This amp powers my duals very nicely. Prior to this amp i had a kicker 450.2 and my kenwood outperforms it by a mile. the bass is much tighter and punchier and gets much louder. I wish this amp had a remote gain control though because those are very usefull when i want to tone down the base a little. This is a great amp for the price.

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javi2500hd

mission, tx

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this kenwood amp is good

January 5, 2011

This amp is really great but not 1800w the fuse rating is 60A so its probly only pushing about 1000w but good amp for a small 1000w system I had it concted to 2 12" l5s and its thing wouldnt last 10 mins with the volume half way up it would turn off and overheat repeatedly.

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Stas

Silver City, NM

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Value
Features
Design
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nice

October 10, 2010

This is a really good amp. I've had for almost over a year, I listen to music everyday and let me tell you!!! I love it! I use it to power up my Pioneer sub and I never had no problems with it!!! Looks nice - matches my stereo and neon lights. Overall - I'm satisfied with my choice, good deal Sonic Electronix.

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jawz

lakewood, ca

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excellent purchase

October 2, 2010

i have been running this amp now for 6 months and it is incredible. it over powered two kicker cvt 12 in sealed boxes and is now pushing two kicker solo 12 L7's with amazing ease. this was an excellent purchase and the service from from sonic was great

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Austin

Albany , GA

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Terrible Amp!

June 28, 2010

This amp was good for a couple days, even if it did cut off every 10 mins. It made my Kenwood 12's beat pretty decently. Not incredibly hard but decently hard. Stopped working after 3 days all together. The protection light just comes on and the illuminated (blue light) doesn't come on at all. Wouldn't recommend Kenwood products to anyone. You get what you pay for.

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joe

Dallas, TX

Overall
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Features
Design
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very strong amp

November 26, 2009

i would recommend this purchase. it is a good strong amp and has nice adjustments. i blew out my kfc-w3011 in a few months, though. i guess i need to get a stronger speaker.

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Dave

Stevenson Ranch

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Best amp hands down

April 21, 2009

This amp powers 2 JL audio 10w3v3s and rocks the house. Runs well and does not over heat. Best amp for the money!

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Donald

Jackson, MS

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Just What I Needed!

March 26, 2009

Good Product. This one is good for the price. One, because it has a cooling fan on it. Just remember to mount it so the fan/vent can get air. I have mine on a 12' and hits hard. I would recommend it definitely.

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SCORPION

Tacoma, WA

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Best amp I've ever had.

January 6, 2013

Hi, I've been installing car audio equipment for over 20 years and let me just say that, this amp is the best amp I've had so far. As was said before, this amp is power hungry. You want to make sure you have an upgraded altinator and/or extra battery to feed it. Running at 1ohm on any 1ohm amp will draw a lot of power from your vehicle power source. I had that problem and I already had an extra battery in my truck, so all I had to do was upgrade my altinator to keep up with the power requirement from my amp. No problem since, and I would recommend this amp to anyone looking for a good investment. It's always a good idea to talk to experts about amps, subs, or whatever about what type of system you want and what's the best way to go about getting it set up and installed and what kind of power requirement you may need.

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coolguy

Indianapolis, IN

Overall
Durability
Value
Features
Design
Usability
good amp

June 1, 2010

installed this in my buddy's car. has a lot of power for the price. Nice settings. I tuned it so good and it hit so hard two other people went out and got this amp too. just a good amp for the price.

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valarie

lake orion, MI

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Durability
Value
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Usability
disapointed

October 6, 2008

I had the older model of this amp pushing two 10ich kenwood typhoons at 2 ohms and it pounded. so when this model come out i thought i would upgrade to it and wish i didn't. yeah it pushed them to the max but it overheated way to fast. after about 10 minutes at half volume it overheated everytime.

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B.R.

Louisiana

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Durability
Value
Features
Design
Usability
Decend amp

December 6, 2010

To the guy who said he's pushing a couple of L7's with this amp, in your dreams. This amp has no where near that kind of power. That being said. Its a decent amp. Don't expect it to run @1ohm, it will go into protect mode often. Solid amp if your subs are rated for around 800watts RMS, then this is a good choice.

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william

Crescent Citycrescent city, CA

Overall
Durability
Value
Features
Design
Usability
Kicker

September 18, 2010

I got this amp for my brothers Chevy s10 and its really good amp for the money. Way better than the xplode and visonic Id say. I dont like 1 ohm loads so 900w rms is plenty for his truck. The only thing is you need to remove the silver plate to get to the terminals :(

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Product Summary

Manufacturer

Model Number

KAC-9104D

UPC

019048176899

Weight

9.00lbs

Internal SKU

kac9104d

Internal Product ID

11795

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Kenwood KAC-9104D