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Kenwood KAC-M3004

Compact 4-channel car amplifier — 50 watts RMS x 4 (New Stock)

Item # 113KACM3K4

Kenwood's KAC-M3004 compact 4-channel amplifier will power up the music in your vehicle with 50 watts RMS per channel.

Kenwood's KAC-M3004 compact 4-channel amplifier will power up the music in your vehicle with 50 watts RMS per channel.

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About the Kenwood KAC-M3004

Power your music wherever you go

Kenwood's KAC-M3004 compact 4-channel amplifier will power up the music in your vehicle with 50 watts RMS per channel. That's enough to hear everything clearly above the noise of the road, trail, or waterway as you travel along. This little powerhouse will fit almost anywhere, including a storage compartment on a boat, motorcycle, or ATV, so you can install great sound in whatever vehicle you wish. Installing a pair of subs? You can bridge this amp to 2-channel mode and send 150 watts to each subwoofer.

Power your music wherever you go

Kenwood's KAC-M3004 compact 4-channel amplifier will power up the music in your vehicle with 50 watts RMS per channel. That's enough to hear everything clearly above the noise of the road, trail, or waterway as you travel along. This little powerhouse will fit almost anywhere, including a storage compartment on a boat, motorcycle, or ATV, so you can install great sound in whatever vehicle you wish. Installing a pair of subs? You can bridge this amp to 2-channel mode and send 150 watts to each subwoofer.

Weather-resistant protection for music on the go

Conformal coating protects the internal circuits from water and dirt, so the show will always go on, even through the roughest conditions. The speaker output terminals feature plastic-covered plugs that provide further protection for those connections.

High-level inputs ease installation

The KAC-M3004 will accept a signal from just about any source, whether you're using RCA cables from an aftermarket receiver or speaker wires from a factory radio. When you use the speaker-level inputs, the amplifier will sense the signal and turn itself on, so you won't need to run a remote turn-on lead to your car stereo.

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Product highlights:

  • 4-channel car amplifier
  • 50 watts RMS x 4 at 4 ohms (75 watts RMS x 4 at 2 ohms)
  • 150 watts x 2 bridged at 4 ohms
  • CEA-2006 compliant
  • Class D amp technology
  • conformal-coated circuit board — suitable for power sports and marine applications
  • variable high- and low-pass filters (50-200 Hz, 12 dB/octave)
  • preamp and speaker-level inputs
  • fuse rating: 30A x 1
  • 10-gauge power and ground leads recommended — wiring and hardware not included with amplifier
  • dimensions: 7-5/8"W x 1-13/16"H x 3-7/8"D
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # KAC-M3004

What's in the box:

  • 4-Channel amplifier with a 30A ATM mini-fuse installed
  • 9" Speaker output harness (8-pin Molex plug on one end)
  • 4 Self-tapping screws (M4 x 16mm)
  • Two 13.5" plastic wire ties
  • Clear plastic self-adhesive Protective Covers for Controls (2 sheets)
  • Instruction Manual/Warranty Card

Customer reviews

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Kenwood KAC-M3004 reviews

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Wow

Crutchfield customer from Sacramento, CA on 8/22/2019

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Really impressive clean sound from a very small amp. It's driving front components and rear 6.5 full range speakers in my Titan and sounds amazing

Pros: Clean power and small foot print

Cons: Not a fan of the molex connector added a splice point but the Amp is too small to actually put standard 4ch connections on

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0 of 0 found this helpful

Sounded great until it didn't

Crutchfield customer from Atlanta, GA on 8/6/2019

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Sounded great until it didn't. The amp worked great and waa easy to install. On the third boat day the amp just gave up. Power light al still on and an extremely faint tinny sound coming out from the speakers. Crutchfield waa great; diagnosing the amp as the problem over the phone and sending out a replacement. I'm giving it for our stars in the hopes that the next one lasts and continues to sound great!

Pros:

Cons:

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0 of 0 found this helpful

Kenwood KAC-M3004

Crutchfield customer from Tontogany, OH on 7/24/2019

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Surpassed my expectations. Fits great in my 13 Ultra Classic

Pros:

Cons:

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0 of 0 found this helpful

Incredible Amp

David from Adrian, MI on 6/14/2019

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25th Anniversary Mustang LX 5.0 Convertible Project. I bought my 1990 Mustang convertible when it was only 10 months old and now beginning to restore it. The factory premium sound radio system needed repair but too new for someone willing to repair and make updates. Perhaps someday. Anyway, I purchased a Kenwood cd/receiver along with the KAC- M3004 amp. The amp has plenty of power to hear the music when the top is down through the 6 infinity speakers purchased as well. Though not original to the car, it looks like a 21st century OEM replacement. The sound takes it to a new level far above the factory premium sound system. Thanks Cruchfield, great products and service.

Pros: Clarity. Power.

Cons: None

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0 of 0 found this helpful

Kenwood KAC-M3004

Randy Lowe from Montezuma, GA on 5/7/2018

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The compact amp is just right perfect fit nice power...

Pros:

Cons:

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0 of 1 found this helpful

Great little amp

Chad from West Chester, OH on 4/18/2018

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Very powerful amp for its size. Has just enough features to get the job done in such a small package.

Pros: size

Cons:

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2 of 2 found this helpful

Kenwood KAC-M3004

Crutchfield customer from Yuma, AZ on 5/26/2017

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Amazing power from such a small, light amp!

Pros:

Cons:

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0 of 1 found this helpful

Kenwood KAC-M3004

Martin P from Chatom, AL on 5/3/2016

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Powerful and compact as advertised. I installed it on my boat and I can hear the music clearly while running. I am pleased with the purchase.

Pros: Compact size, adequate power, easy to install

Cons: An AM radio station caused interference this past weekend.

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7 of 8 found this helpful

Perfect for a Jeep wrangler

Rich from Illinois on 11/3/2015

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This amp is so compact you can easily find a space under dash so its protected from weather and can still breath. Awesome sound with my Infinity Kappa's.

Pros: Compact Perfect for what Kappa's can handle.

Cons: Haven't found one.

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5 of 6 found this helpful

Ken wood KACM3004

Dan G from Massachusetts on 9/15/2015

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Small bu powerful fits great on my motorcycle

Pros:

Cons:

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10 of 11 found this helpful

Great little amp

Thomas from Clayton ca on 9/1/2015

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Great little amp. Powering (4) 5.25 speakers in a Jeep Wrangler. Plenty loud even on the highway with the top down

Pros: Small enough to mount anywhere and hide. They don't get too hot and the are loud enough. Not crazy but just enough

Cons: None

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Product Research

Features
Connections

Features

Compact Amplifier: The Kenwood KAC-M3004 compact Class D 4-channel amplifier is designed to boost the output and clarity of your car stereo. The amp features a conformal coating on the circuit board to protect it from moisture. This allows you to use the amp for motorcycles, marine applications, or on All-Terrain Vehicles (ATVs). The KAC-M3004 delivers 50 watts RMS x 4 channels at 4 ohms. It also gives you 75 watts RMS x 4 at 2 ohms, or 150 watts RMS x 2 channels at 4 ohms bridged.

Protection Circuitry: The amplifier features protection circuitry for thermal overload, DC offset, and short circuits. The amp stops operating when it goes into protection mode. (There are no LED indicators.)

Signal-sensing Turn-on: When the amplifier is connected to a factory head unit, or an aftermarket unit without preamp outputs, you can splice the head unit's speaker wires to a speaker-to-male RCA adapter. In this case, the amplifier's Signal-sensing Turn-on feature will turn on the amp when a signal is detected on the input. This eliminates the need to connect a turn-on lead to the amp's Power Control (blue) wire.

Crossover: The four-channel amp is separated into two halves, labeled A and B. The A and B sections have independent crossovers. Each crossover can be set for high-pass or low-pass operation, or turned off for full range operation. Each crossover has a continuously variable crossover point (50 to 200 Hz) with a slope of 12dB/octave.

Mounting: The KAC-M3004 can be mounted onto an installation board (5/8" thick or more) using the supplied M4 x 16mm self-tapping screws. Two 13.5" plastic wire ties are included for securing the amplifier to a 2x4 board or other narrow item.

Connections

Power/Power Control Connections: The power, ground, and power control connections are 0.35" wide screw terminals. A Phillips-head or flat blade screw driver (not supplied) is required to tighten/loosen the terminals. Spade connectors or ring terminals are recommended. A minimum 10-gauge wire is required for power and ground.

Power Control: The Power Control wire should be connected to the head unit's remote turn-on lead when an aftermarket unit is used. This wire does not need to be connected if you're using speaker level inputs. The Signal-sensing Turn-on feature will turn on the amplifier when an input signal is detected.

Line-Level Inputs: The amplifier is equipped with two pairs of RCA inputs for connecting stereo RCA patch cables from the head unit to the amp. If using a factory head unit, or a unit without preamp outputs, you can splice the speaker wires to an RCA plug, maintaining the same polarity.

Speaker Outputs: The included speaker output harness has eight 16-gauge wires for connecting your speakers to the amp. You can connect the amplifier as a 4-channel system, a high-power 2-channel system, or a 2-channel + subwoofer system. Speaker wiring diagrams for each configuration are printed in the included Installation Guide.

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Customer Q&A

Q
Crutchfield asked: Why did you buy this?
A
Good value and I wanted a Kewood amp to go with my Kenwood system. [ Dave  Jun 28, 2019 ]
A
Crutchfield advisor recommended this amplifier and it has very good reviews. It will be replacing a JL Audio 280/4 that fried twice. [ M  Apr 25, 2019 ]
A
No real particular reason other than I wanted a Kenwood system [ Gregory  Nov 01, 2018 ]
A
Bought these to power my Polk DB 652's [ G  Aug 12, 2018 ]
A
To replace a unit that may be Defective. [ Chris  Jul 01, 2018 ]
A
Compact mounting location. [ JUSTIN  May 07, 2018 ]
A
online tech Troy suggested it for my set up. [ stacy  Apr 18, 2018 ]
A
Recommended by your team as a good amp to fit into tight places. [ Tomas  Jan 06, 2018 ]
A
cost [ CHRISTOPHER  Aug 18, 2017 ]
A
for the boat [ jacqueline  Aug 08, 2017 ]
A
I need a compact amp to connect to my factory radio in my Jeep Wrangler. This is not only compact, but has decent power. I also wanted something marine grade since I rarely have my top up and doors on, so this also fit that requirement. Lastly, I wanted something with an auto on/off feature so that I did not need to make another connection for a lead on wire. This model seems to have everything I wanted. The reviews were also very good which certainly helps. [ Bill  Jul 05, 2017 ]
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6 questions already asked

Q
do you price match and why is the cost around $85 more then then almost every other website?
[ Kyle  Jul 27, 2018 ]
1 answer
A
We do price match certain items with select online retailers. To see if this qualifies, please contact an Advisor directly by phone (888.955.6000) or online chat.
[ Larry  Aug 01, 2018 ]  Staff
Q
Can i use kenwood KSC-SW11 compact powered subwoofer alond with kenwood kac-m3004 amp. Together on a factory Head Unit ??
[ m.Ghalwash  Feb 12, 2017 ]
1 answer
A
You will want to contact an Advisor by phone (1-800-324-9695) or online chat to discuss compatibility with your factory system. They will be able to pull up your vehicle and see if those will integrate. If it does not, then they will also be able to discuss other options with you.
[ Kenny  Feb 13, 2017 ]  Staff
Q
How do I bridge this amp to power 4 speakers at 4 ohm , trying to get 150x2?
[ Brian  Aug 19, 2016 ]
1 answer
A
If you purchased the product from Crutchfield, feel free to contact our Tech Support team. They can walk you through the settings on the product and see if there may be a fix. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer. You can also post your question in our forums: http://community.crutchfield.com. Or try our online support center: http://crutchfield.custhelp.com/app/answers/list/kw/.
[ Krissy  Aug 21, 2016 ]  Staff
Q
can this amp (kac-m3004) be wired with 2 inputs and 4 outputs?
[ Mike  Jan 19, 2016 ]
2 answers
A
sounds like you should just buy two of them...I have two on my motorcycle
[ parks  Jan 20, 2016 ]
A
Yes, I ran front and rear channels from the deck to the amp and I'm running 4 speakers, great amp hope this helps Mike
[ Mike  Jan 19, 2016 ]
Q
why do they call this a 600 watt amp?
[ Steve  Jun 15, 2015 ]
1 answer
A
I forwarded your question to an Advisor and they responded with the following: You will notice that the front of this Kenwood amp says "MAX POWER 600W". Kenwood is essentially telling you the peak power of the amp is 600 watts. Of course the RMS power of the amp will always be way less than the peak power. This one is 50 watts RMS x 4 at 4 ohms (75 watts RMS x 4 at 2 ohms). If you would like to discuss further you can contact an Advisor directly by phone (1-800-324-9695) or online chat.
[ Krissy  Jun 19, 2015 ]  Staff
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