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Hifonics Zeus ZXi60.4 + 1K

5-Channel Zeus Series Car Amplifier (ZXi 60.4+1K, ZXi60.4+1K)

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Raw Power. Pure Performance.

Sometimes you need an amplifier that can do it all. An amplifier that takes up minimal space, and drives not only four speakers with solid, dedicated output, but also a fifth subwoofer channel filled with power that was once unimaginable. Hifonics Zeus series amplifiers has brought their Five Channel to the table and has broken new ground with what they do best – provide high powered amplifiers that do not sacrifice any of the clean power.

There’s no tricks here, just four channels dedicated with class AB circuitry for rich, full output towards mid-bass and high frequencies. Integrating Ultra-Fi MOSFET output devices, which decrease distortion and produce clean output. Ultra-Fi allows the amplifier’s inputs to combat electrical interference and other noise, resulting in noise-free, hi-fi audio. Dedication towards large amounts of power is something Hifonics Brutus amplifiers have become known for. Borrowing some of the Class D Power, the fifth subwoofer channel implements Super Class D Circuitry, dedicated for extremely high output while keeping this amplifier running efficiently. An impressive 1000 Watts RMS power dedicated for your subwoofers is the result of this Super Class D circuitry going hand-in-hand with Ultra-Fi MOSFET output devices.

When amplifying an entire car audio system – space is a factor. Multiple amplifiers can lead to additional wires and a larger occupied footprint. The Hifonics Zeus ZXi60.4 + 1K takes two amplifiers, and combines them – resulting in one impressively powerful amplifier in one easy to integrate chassis.

Power from the God’s is not something to take lightly – The Hifonics Zeus ZXi60.4 + 1K has taken this responsibility and set the benchmark for true performance and value. This is the perfect addition to any system, entry level or competition grade. Built in with an affordable price tag – start saving today and buy two amplifiers at once.

  • Zeus Series 5-Channel Class A/B-D Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 60 watts x 4 chan. + 475 watts x 1 chan.
    • 2 ohms: 120 watts x 4 chan. + 750 watts x 1 chan.
    • 1 ohm Mono: 1000 watts x 1 chan. (5th Channel Only)
    • Bridged 4 ohms: 240 watts x 2 chan. (Channels 1-4)
  • MOSFET power supply
  • Wired HFR-3 remote bass level control included
  • LED power (green) and protect (red) indicators
  • Variable Bass Boost (0 to +10 dB bass boost at 45 Hz)
  • 5 channel operation
  • Preamp RCA outputs to daisy chain multiple amps
  • 4-Way System Protection circuitry (thermal, overload, speaker short and DC protect)
  • Heavy duty aluminum alloy finned heatsink for maximum heat dissipation
  • Silver-plated unbalanced RCA level inputs
  • Silver-plated molded screw terminals
  • Input sensitivity:
    • Input Level (Balanced): 0.02V-6V
  • Variable low-pass filter (35-150 Hz)
  • Variable high-pass filter (10-15,000 Hz)
  • Crossover switch: HI/Full/LP/BP
  • Damping factor: >180
  • Frequency response: 10-25,000 Hz
  • Signal to noise ratio: >90dB
  • Channel separation: >80dB
  • CEA-2006 compliant amplifier
  • Dimensions: 23-5/8"L x 9-1/4"W x 2-7/16"H
  • 4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Read more about the Hifonics Zeus ZXi60.4 + 1K in our blog!

Also found as: zxi604+1k

Product History:

Hifonics ZXI60.4+1K thumbnail
(newest, current model)
Hifonics ZXi8010 thumbnail
(previous model, replaced by Hifonics Zeus ZXi60.4 + 1K)
Hifonics ZXi8008 thumbnail
(previous model, replaced by Hifonics ZXi 8010)
Hifonics ZXi8006 thumbnail
(previous model, replaced by Hifonics ZXi 8008)
Hifonics ZX8000 thumbnail
(previous model, replaced by Hifonics ZXi 8006)

Power Specifications - Full Range Channels

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 speakers or subwoofers 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.

60 watts x 4 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 speakers or subwoofers 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.

120 watts x 4 channels
Bridged RMS 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 RMS power created once an amplifier is bridged.

240 watts x 2 channels

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.
475 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.
750 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.
1000 watts x 1 channels

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.

AB / 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.
5
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.

1480 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.
4 ohms
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.
0.05%
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)
High-pass (HP)
High-Pass Crossover Frequency
The high-pass crossover frequency can be a fixed crossover point or a variable crossover range. A variable high-pass crossover allows you to select a specific crossover point which allows frequencies above the set crossover point to pass, while making frequencies below 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.

10 - 15,000 Hz
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.

35 - 150 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.
>90 dB
Channel Separation
Also referred to as crosstalk. The amount of interference on one stereo channel caused by the leaking of the other stereo channel. The higher the rating in decibels (dB), the better the Channel Separation.
>80 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 - 10 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.
Yes
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).
No
Fuse Rating
The amperage and the number of fuse(s) an amp requires.
150A x 1 
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
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.

Specials with this Item

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Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
93%
4 Star
0%
3 Star
0%
2 Star
0%
1 Star
7%

Average Attribution Rating

Durability
4.6
Value
4.9
Features
4.5
Design
4.7
Usability
4.8

426burban

edmonds wa

Overall
Durability
Value
Features
Design
Usability

awsome amp

May 22, 2011

Best amp yet... I have it hooked up to 1 2ohm type r 15 and 4 6-3/4 component speakers in my 2001 suburban. =I was a little skeptical because of the price but over all it was better then expected.. it hardly shows any stress and never get hot which I love

2 of 2 found this helpful

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Stephen

Houston, TX

Overall
Durability
Value
Features
Design
Usability

Awesome Amp with a greeat value

May 13, 2011

Was looking for an amp that could power my whole system with plenty of power. This amp does the trick for me. Plenty of power for my 1 sub and the highes are very clear.

2 of 2 found this helpful

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Mike

dallas,nc

Overall
Durability
Value
Features
Design
Usability

Hifonics Zeus ZXi60.4 + 1K

March 31, 2011

This amp is bada**.! I have this amp driving a JL12w6 @2ohms it freaking pounds and does so clean. The 4 channel side is running 4- 61/2's and 2-51/4's. Front channels 2ohms, rear channels 4ohms. Amp runs decently cool and plays really clean and loud. Amp is a little bright on the highs but can be adjusted out. thats just a matter of opion anyway. Installs very clean too I really don't care for the blue illuminated Hifonics logo but you young bucks may like it. Love the amp and would highly recommend.

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Joe

Detroit, Mi

Overall
Durability
Value
Features
Design
Usability

Great Amp

February 23, 2011

I needed to upgrade my old Rockford amp as well as my Pioneer 4 ch. they were taking up way to much space, I built a custom box that holds my single 12 Rockford t1. and I have my Rockford 6x8s. This is all in my 07 Mustang. I really was not thinking this amp was going to be all that great. I just wanted something as a temp fix. but after I have this thing hooked up. I got the sub hooked up at 1ohm and the doors are at 4. This thing is great. The blue glow goes great with my neon in the trunk as well. and the stainless on the amp matches the sub.. I'm very happy. The only thing is that this amp is power hungry. I have my yellow top up front with a kinetic dry cell in the trunk. and it works like a charm. very happy

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SOS71

Baltimore,MD

Overall
Durability
Value
Features
Design
Usability

Very Pleased

November 9, 2010

I have this amp running a dual 2ohm SA-12 at 1ohm,(4) sets Alpine 6x8 type r's, (4) 1" tweeters in each door and this amp is driving it all amazingly, the highs are on point and the lows hit HARD..I would recommend to anyone looking for a single amp to do it all...This amp is POWER hungry just some heads for folks with weak electricals I'm giving it 4 stars on features due to the lack of subsonic filter, but this shouldn't be a deal breaker

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BeachbumsSTT

Maumelle, AR

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Durability
Value
Features
Design
Usability

Unbelievable sound and versatility!

September 28, 2010

I used this amp in my son's Toyota Yaris with two Zeus 12" DVC 4ohm subs (run to 1 ohm) and two sets of Hifonics 6.5" 3 way Zeus speakers and Soundstream tweets. I run with an Alpine media controller and Soundstream parametric eq and the sound quality is beyond what most home hifi systems have. The bass kicks some serious butt! This amp beats ANY combination for the money available! Thank you Hifonics and Sonic Electronics for making this excellent piece of equipment so affordable!

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Boom Boom

Palmdale, CA

Overall
Durability
Value
Features
Design
Usability

Cost Effective!!!

January 19, 2012

Just installed one of these in my personal vehicle. Lots of raw power and makes for a simple, clean and efficient installation. Make sure to run 0/1 gauge wire and a minimum 150amp circuit breaker with this one or you'll wish you had. So far my unit seems to be working great, not overheating or going into protection mode. My only major suggestion would be to set the crossover @ full range to bypass the amps EQ & allow your head unit to process the frequencies. Add's much more headroom and the vocals will come back to life. I don't know if its the active range of the EQ (10khz-15khz) or what, but the highs run way to bright for my taste. If your head unit is decent it will be a tremendous improvement. For the money, you really cannot beat this piece. You will not find as much overall power in any other amplifiers dollar to dollar. And being a 5 channel amp its perfect for powering a complete car audio system.

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Adrian

montclair, CA

Overall
Durability
Value
Features
Design
Usability

Great Amp.

January 13, 2012

This is a solid amp. Have it hooked up to 1 Sundown SA-10 2ohm sub and four coaxial speakers powers everything really nice and it bumps the sub super hard. Would definitely recommend.

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Michael

Saint Louis, MO

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Value
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Design
Usability

6 Years old & still going strong

January 4, 2012

Bought 2 ZXi 8008's YEARS ago, original install was 2 cars ago, in latest auto and still pumping. Unbelievable how versatile 1 of these 5channel amps can be, imagine what can be done with 2. They have survived midwest humidity and heat, and shook off St. Louis winters. Maxxsonics brands are all engineered just as good, have had great success with Crunch & Autotek as well. I would purchase new again, IF these ever give up!

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Bradley

Fort Bragg cal.

Overall
Durability
Value
Features
Design
Usability

Hifonics does it again

December 4, 2011

WOW. This amp is what I have been looking for for a while. Real good clean highs and tight responsive bass with this one. It took me a bit to get this thing tuned but after getting there all I have to say is, WOW.

0 of 0 found this helpful

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Scream

Dublin, Ga

Overall
Durability
Value
Features
Design
Usability

Great amp!

November 6, 2011

I just recently installed this amp in my car and it is amazing. This one amp powers my complete system and that's what I wanted. This beast is pushing (4) Kicker comp 12s and (4) Kicker 6x9s! I haven't had any issues with this beast so far. I can say that this amp is POWER hungry! My 160 amp alternator can barely keep up with this amp. I love it so much, I buying another one to put in my other car.

0 of 0 found this helpful

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Brad man

Yorktown, VA

Overall
Durability
Value
Features
Design
Usability

Great value

October 24, 2011

Great price great product.

0 of 0 found this helpful

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Jay

Jacksonville, NC

Overall
Durability
Value
Features
Design
Usability

best amp ever

October 12, 2011

I have this amp in one of my car and it sends my speakers and sub crazy. You've got to get one of these.

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Fat Kat

Richmond, VA

Overall
Durability
Value
Features
Design
Usability

Nufin But The Truth

October 9, 2011

I have this amp in my 02 Cadillac Dts. It runs 2 sets of Pioneer 6.5 co mponents and 2sets of Pioneer components dome tweeter off the front channel and a set of 5way pioneer 6x9's off the rear. The sub channel runs 2 Cerwin Vega V-Max 10's in my rear deck in a custom enclosure I built. The amp powers everything without hesitation. It's powerful, clean, & has grade A sound quality. Additionally, I have 2 JL W7 13's in my trunk powered by 2 Hifonics Brz2400, 1 per sub. It knocks to the heavens above but the great part is i can turn my subs completely off and just off this amp powering my 10's, 6x9's & 6.5 door and sounds hella good. Better than the average Joe's. Do your big 3 upgrade! Ample power supply is a must and it took me about a month or 2 to get everything level & equalized to my listening standards.

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Ken

Chandler, AZ

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Durability
Value
Features
Design
Usability

Arrived DOA - went with something else.

August 16, 2011

I was all ready to hook this new amp up based on the specs. Accepts 4 AWG wire with no problems, wiring was easy, but the protect light was on as soon as I gave it power. I never got to hear it work. I sent it back and went with a different brand of amp, one that cost a bit less and worked right the first time.

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Accessory Tools and Products

Accessories added

NVX XKIT44 4-Gauge 4-Channel Wiring Kit

4-Channel 100% OFC Complete True 4 Gauge Amp Kit with RCA Cables and Speaker Wire

Your Price $99.99

NVX XBG3PK 1/0 Gauge OFC Big 3 Upgrade Kit

Comes with everything you need to upgrade your power and ground wire.

Your Price $79.99

Kicker Big 3 Package 1/0 Gauge Big 3 Upgrade Kit

Get all you need including wire cutters to upgrade your power and ground wire.

Your Price $149.99

Belva BBG3KT CCA 1/0 Gauge Big Three Kit

Features everything needed to upgrade factory power and ground wire.

Your Price $39.99

StreetWires FB0

1/0 Gauge Firewall Bushing

Your Price $6.95

NVX XDBU4 - Top of the Line!

Distribution Block with Two 1/0 or 4 AWG Inputs and Four 4 or 8 AWG Outputs

Your Price $17.99

Professional Installation for your Car Power Amplifier

Covers labor charges through our professional installer network.

Your Price $89.99

Stinger SI4617 4000 Series Interconnect Cable

17 ft. 6-Channel 4000 Series Audio Interconnect Cable

Your Price $41.99

NVX XWS1225 12 AWG Speaker Wire

25 ft. of True 12 Gauge 100% Copper EnvyFlex Speaker Cable/Wire

Your Price $39.99

NVX XWS1625 16 AWG Speaker Wire

25 ft. of True 16 Gauge 100% Copper EnvyFlex Speaker Cable/Wire

Your Price $13.99

Belva BBSW127 12 AWG Speaker Wire

12 Gauge 7 Meter (23 Ft) Speaker Wire (CCA)

Your Price $14.99

Belva BBSW167 16 AWG Speaker Wire

16 Gauge 7 Meter (23 Ft) Speaker Wire (CCA)

Your Price $12.99

SMD DD-1 Distortion Detector

Set the gain of an audio amplifier quickly and accurately

Your Price $149.99

Scosche SPL Meter SPL1000F

Handheld boomSTICK measures your SPL range from 60 to 135 dB

Your Price $21.99

AutoSound 2000 CD-102

High Frequency Test CD specifically designed for the set-up and evaluation of sound system imaging and placement.

Your Price $11.99

XIX2025 Strapping RCA

0.25 Meter (0.86 ft) Hyper-Flex RCA cable w/ Serpentine-Cut Nickel Plated Connectors

Your Price $12.99

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Product Summary

Manufacturer

Model Number

ZXI60.4+1K

UPC

806576216834

Weight

21.00lbs

Internal SKU

zxi6041k

Internal Product ID

23827

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: Hifonics Zeus ZXi60.4 + 1K