Kenwood KAC-8105D

1000W Max Class D Monoblock Performance Series Power Amplifier

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Class D Monoblock Car Amplifier • 300W x 1 chan. @ 4 ohms • 500W x 1 chan. @ 2 ohms • 1000W x 1 chan. Max • Speaker-level inputs • Gold Plated Preamp RCA outputs • Gold Plated Terminals

Learn more about the kac8105d

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This item has been discontinued

Product Highlights

Class D Monoblock Car Amplifier • 300W x 1 chan. @ 4 ohms • 500W x 1 chan. @ 2 ohms • 1000W x 1 chan. Max • Speaker-level inputs • Gold Plated Preamp RCA outputs • Gold Plated Terminals



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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-8105D has a built-in heatsink to protect from high temperatures so your system can play longer without having forced intermissions.

With an impressive output rating of 300 watts RMS x 1 Channel at 4 Ohms, and 500 watts RMS x 1 Channel at 2 Ohms, this amplifier is CEA-2006 compliant so all wattage specifications are true to industry standard. Combined with their total efficiency and high power output, the Kenwood KAC-8105D is the perfect option for any compatible subwoofer application!

  • Class D Monoblock Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 300 watts x 1 chan.
    • 2 ohms: 500 watts x 1 chan.
  • Max power output: 1000 watts x 1 chan.
  • MOSFET power supply
  • LED power indicator
  • Tuned Bass EQ (0-18 dB bass boost at 40 Hz)
  • 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
  • Speaker impedance: 2-8 ohm
  • Gold-plated RCA level inputs
  • Gold-plated screw terminals
  • Input sensitivity: 0.2-5 Volts
  • Variable low-pass filter (50-200 Hz, 24 dB/octave)
  • Subsonic filter (15/25 Hz)
  • CEA-2006 compliant amplifier
  • Frequency response: 10-200 Hz
  • Dimensions: 11"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-8105D thumbnail
(newest, current model)
Kenwood KAC-8104D thumbnail
(previous model, replaced by Kenwood KAC-8105D)
Kenwood KAC-8103D thumbnail
(previous model, replaced by Kenwood KAC-8104D)
Kenwood KAC-8101D thumbnail
(previous model, replaced by Kenwood KAC-8103D)

Specifications & Details

Power Specifications - Subwoofer Channel
RMS Power @ 4 ohms
300 watts x 1 channel
RMS Power @ 2 ohms
500 watts x 1 channel
RMS Power @ 1 ohm
Not Stable
RMS Power @ .5 ohm
Power Specifications - Full Range Channels
Peak Power @ 4 ohms
Peak Power @ 2 ohms
Peak Power @ 1 ohm
Bridged Peak/Max Power
Power Specifications - Subwoofer Channel
Peak Power @ 4 ohm
Peak Power @ 2 ohms
Peak Power @ 1 ohm
Peak Power @ .5 ohm
Amplifier Specifications
Marine Certified
Amplifier Class
Number of Channels
1 - Mono
Total Peak Power Output
1000 watts
Total RMS Power Output
500 watts
Maximum Input Gauge Size
Minimum Impedance Unbridged
2 ohms
Minimum Impedance Bridged
Frequency Response
THD at Rated RMS Power
Speaker Level Inputs
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
Low-Pass Crossover Frequency
50 - 200 Hz
Subsonic Filter
15 - 25 Hz
Signal-to-Noise Ratio
80 dB
Bass Boost
0 - 18 dB
Remote bass/level controller
Fan Cooled
Fuse Rating
30A x 2 
Total Fuse Rating
CEA-2031 Compliant
Sonic Certified Amplifier
Amp Bluetooth Connectivity
Hi-Res Certified
Low-Level Input Sensitivity
High-Level Input Sensitivity
What is in the box?
WITB: Amplifiers
Other Accessory #1
Other Accessory #2
Other Accessory #3
Other Accessory #4
Other Accessory #5
Other Accessory #6
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Model Number:




Internal SKU:


Internal Product ID:


Product and How-to Videos

  • Kenwood KAC-8105D Car Amplifier
  • How To Install an Amplifier: Car Amplifier Basics Part 2

Customer Ratings & Reviews

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Good for 2 months.....

I bought this amp to push my 2 Kicker comp 12"
it worked awesome for a while, then one day the amp just didnt turn on, i re wired my whole system looking for answers, replaced all the fuses, yet nothing. Unless i get a replacement i wouldn't recommend this product.

By Connor on August 17, 2011


found this helpful.

good amp

i have this amp about 5 years,setup JBL 1202d,double kenwood 3010,kenwood 3012dvc and ...
output power of this amp is good,has a Low energy consumption and suitable for setup not quality subwoofers.

By Amir Designer on May 11, 2014


found this helpful.

Bang for your Buck

Amp pushes 500w RMS at 2 ohms which is perfect for my two MTX Terminator twelves that are rated 300w each so its giving them both a solid 250w. I've taken it on multiple 3 hour trips and has never overheated. For those of you bridging your amp and complaining about them overheating, you need to buy a monoblock. Bridging puts much more stress on the amp and you can get the same power output from a monoblock without putting additional streets on the unit. Sounds great for a low wattage system.

By G on November 25, 2010


found this helpful.


Amp powered on, but would not produce a signal to the subwoofer. Testing with voltmeter, multiple head-units and another amp confirm diagnosis.

Installation was time-sensitive so I have purchased another unit locally, and am awaiting RMA refund - will return to report on performance of new unit.

By Chase on April 26, 2012


found this helpful.

Good Start

I bought this as my first amp when getting started into the car audio game. This amp has held perfect for what i've put in my car which was a 10" and 2 12" Dual subs. I was pleased with it. If your looking for something cheap but good, buy this. I myself am stepping up my game and going from this kenwood to a Rockford 1000.1bd. and hopefully new subs once i get the cashflow

By Erik on March 15, 2013


found this helpful.

Great little amp

Outstanding little amplifier, small footprint for the output, provides plenty of subwoofer power for a full size extended cab pickup truck.

By PoweredByDodgeV8 on January 18, 2013


found this helpful.

Awesome amp!

I like how durable it is and the ease of install. no complaints works as intended for my two 4ohm 250Watt subs. I simply connected it in parallel to get 2ohm connection at 500Watts. They could have remove the cover panel, its pretty useless.

By AudioNub on December 7, 2012


found this helpful.


Awesome hits harder than I thought it would. Great buy!

By Caleb on August 9, 2012


found this helpful.

This amp is fantastic

I hooked this amp up to two 12" MTX terminator subs and turned up the input sensitivity and LPF and they hit so hard. I took that setup on a 4 hour car drive through Illinois and the amp did not overheat during the whole trip (with the car running and audio going the whole time). Class D amps are the only way to go for subs and anyone who uses A/B is doing it wrong ;D

By Cody on September 5, 2012


found this helpful.

good combination with my polk audio db1212

Hi friends, this is giving a mind blowing deep bass though my polk db1212. It is shaking my montero.

By jith on April 21, 2012


found this helpful.


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