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KENWOOD KAC-M3004 Compact 600W 4-Channel Class-D Car/Marine/Powersports Digital Amplifier

4.5 4.5 out of 5 stars 512 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Car Multichannel Amplifiers by Kenwood

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Purchase options and add-ons

Item Dimensions LxWxH 6.69 x 3.15 x 5.91 inches
Manufacturer KENWOOD
Mounting Type Car Mount
Brand Kenwood
Number of Channels 4

About this item

  • PEAK POWER: Max Power 600 Watts. RMS (50 Watts x 4 @ 4-Ohm or 75W x 4 @ 2-Ohm
  • RMS POWER: (50 Watts x 4 @ 4-Ohm or 75W x 4 @ 2-Ohm. High Quality KENWOOD sound you can depend on
  • MARINE CERTIFIED: Conformal coated marine grade circuit board is great for any application including Car, Boat, ATV, UTV etc.
  • FEATURES: KENWOOD Triangle Indicator Light, 3-Way Protection Circuitry, Balanced Inputs, Speaker-Level (high level) inputs and Selectable corossover modes
  • COMPACT SIZE: Cutting Edge KENWOOD Amplifier technology allows extremely compact design. (WxHxD) 6-1/2" x 1-3/4" x 3-7/8"
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Product Description

KAC-M3004

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.

KAC-M3004

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.

KAC-M3004

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.

KAC-M3004

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.

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Price$175.00$199.00$359.96$249.99-28% $179.00
List:$249.95
$134.95
Delivery
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Customer Ratings
Sound quality
4.5
5.0
4.2
4.2
Value for money
4.4
4.0
4.1
4.4
Easy to install
4.5
4.4
4.4
Sold By
AVLeaderz
West Peak Retail
UTV Stereo
NVX®, Victor Fitness®, Belva® Official
UTV Stereo
CYBER OUTLET
number of channels
4
4
5
4
4
4
voltage
16 volts
40.0 volts, 9.0 volts
5 volts
14.4 volts
mounting type
Car Mount
Surface Mount
Surface Mount
Car Mount
Surface Mount
Boat Mount

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Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Customer reviews

4.5 out of 5 stars
4.5 out of 5
512 global ratings

Customers say

Customers like the power, size, sound quality, quality and value of the electronic component amplifier. For example, they mention it works great, provides great power, is very compact and takes very little room. Some appreciate the ease of installation. Opinions are mixed on the heat.

AI-generated from the text of customer reviews

101 customers mention88 positive13 negative

Customers like the power of the electronic component amplifier. They say it provides great power for the amount they pay for it, works great, and did not disappoint. Some say it's a great amp for the boat and puts out a lot of power for its size. Overall, most are satisfied with the power and performance of the product.

"This mini amplifier is great! While it may be small in size, it has plenty of features...." Read more

"...The amp did not disappoint. It fit right at the base below the AC controls which helps to keep it cool. Also, it moves the speakers pretty good...." Read more

"...It works perfectly in my 2002 Saab Viggen in place of the factory amp, and since it has built-in HPF/LPF, I'm able to drive the door woofers in LPF..." Read more

"Amp works great, thank you!" Read more

71 customers mention62 positive9 negative

Customers like the sound quality of the electronic component amplifier. They mention that it has clear and powerful sound, is excellent, and can easily handle heavy-hitting music. They also appreciate that the amp is silent between songs and adds no discoloration to the sound.

"...and has more than that sub could ever ask for and sounds excellent pleased with the setup so far and this thing really has my jeep sounding great ." Read more

"...The amp sounded very clean and dynamic. I was playing back FLAC files through my Kenwood KMM-BT312U head unit in my toolbox boombox...." Read more

"...The sound is clean and clear and is more than enough for any non-competition system...." Read more

"...Huge improvement in sound for something like a 30 minute install...." Read more

70 customers mention67 positive3 negative

Customers are satisfied with the size of the electronic component amplifier. They mention that it is small enough to mount it behind their dash, takes very little room, and is a perfect replacement in size to the factory amp. It is also great for tight spaces and can fit anywhere. Some say that it fits in the spare wheel well with enough spare room for the actual product.

"...under the steering column in my 04 Jeep Wrangler TJ.It fits great under there mounted up with a cutting board with tons of rooms to spare...." Read more

"...The amp did not disappoint. It fit right at the base below the AC controls which helps to keep it cool. Also, it moves the speakers pretty good...." Read more

"...Very compact! Sound quality is surprising. Overall, for its price, exceeded expectations." Read more

"Small size. Sound quaity OK. Running it bridged to power micro subwoofer only using 2 chanels...." Read more

37 customers mention33 positive4 negative

Customers like the quality of the electronic component amplifier. They say it's impressive, powerful, and runs strong as advertised. Some say that it'll bring your car audio.

"...The power out of this little amp is very impressive to my ears. It packages well as I needed it to fit into very tight cubby space...." Read more

"...Sound quality is pretty good--the amp can put out some serious punch when it needs to...." Read more

"...They still build some solid mobile audio gear and I wouldn't hesitate to buy these mini-amps again!" Read more

"AMAZING! This tiny amp from Kenwood (not even top of the range), is simply amazing!..." Read more

26 customers mention26 positive0 negative

Customers appreciate the value of the electronic component amplifier. They mention that it is a great amp for the size and price, with superising quality for the price. Some say that it works great and is able to produce a high power output. Overall, customers are happy with their purchase and recommend it as a quality gift.

"...No complaints! Great value!" Read more

"...I liked the compact size and the power output for the price...." Read more

"...it is just right for those who want something a bit more at an affordable price. Lastly installation was a breeze." Read more

"...Great amp for a great price. Buy it!" Read more

24 customers mention24 positive0 negative

Customers find the installation process of the electronic component amplifier to be simple. They mention that the product has easy-to-follow instructions and the slim design makes installation a breeze. Customers also say that the unit comes with all the information needed to be installed.

"I replaced my old big amp with this small guy, really easy to install and configure. Very compact! Sound quality is surprising...." Read more

"...The instruction paper was very well documented- as long as you have good eyesight or magnifying glass...." Read more

"Easy to install. Worked perfectly. Came with everything you need other than the RC cables. No complaints! Great value!" Read more

"...Simple to install but it did take some adjusting of the input/output controls on the amp and also on the stereo, but after about 30 minutes of..." Read more

7 customers mention7 positive0 negative

Customers find the electronic component amplifier very adjustable for sound control. They say the switchable, adjustable crossovers are easy to adjust and tune. The amplifier accepts the speaker level input and turns on automatically. They like that it can use HU speaker levels as input (up to 50W).

"...This amp has a few nice features, such as the switchable, adjustable crossovers. Something I wouldn't expect to see in an amp of this price...." Read more

"...I liked the fact that you can use HU speaker levels as input (up to 50w), but that's pretty common I think. All in all, recommended." Read more

"...Just buy it. It adds no discoloration to the sound. It accepts the speaker level input and turns on automatically.The xovers work well...." Read more

"...I will say it is very adjustable for sound control just lacks some noticeable boost." Read more

18 customers mention10 positive8 negative

Customers are mixed about the heat of the electronic component amplifier. Some mention that it runs just warm, while others say that it overheats at times.

"...has the amplifier tucked away inside a center console, it still barely gets warm..." Read more

"...Running it bridged to power micro subwoofer only using 2 chanels. Runs a little warm even though I'm not sending that much power through it...." Read more

"...It fit right at the base below the AC controls which helps to keep it cool. Also, it moves the speakers pretty good...." Read more

"...Amp does get pretty Warm but I have it running 2 channels at 3ohm and the rear bridged at 8...." Read more

Amazing compact amp with tons of power.
5 Stars
Amazing compact amp with tons of power.
I used the amp under the steering column in my 04 Jeep Wrangler TJ.It fits great under there mounted up with a cutting board with tons of rooms to spare. It currently powers a 6.5 inch kicker subwoofer and has more than that sub could ever ask for and sounds excellent pleased with the setup so far and this thing really has my jeep sounding great .
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Top reviews from the United States

Reviewed in the United States on October 10, 2023
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5.0 out of 5 stars Amazing compact amp with tons of power.
Reviewed in the United States on October 10, 2023
I used the amp under the steering column in my 04 Jeep Wrangler TJ.It fits great under there mounted up with a cutting board with tons of rooms to spare. It currently powers a 6.5 inch kicker subwoofer and has more than that sub could ever ask for and sounds excellent pleased with the setup so far and this thing really has my jeep sounding great .
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Reviewed in the United States on June 29, 2015
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5.0 out of 5 stars Tiny amp, BIG power!!
Reviewed in the United States on June 29, 2015
This little amp put a smile on my face! I did not have much faith the rated numbers were accurate, turns out this little bad boy is underrated! I have an SMD Amp Dyno and decided to try out this amp in bridged 2ch mode...it surprised me!

Rated @ 8 ohms (bridged) - 100W x 2 @ 14.4V
Measured wattage at 8 ohms (bridged) - 132W x 2 @ 14.2V
Rated @ 4 ohms (bridged) - 150W x 2 @ 14.4V
Measured wattage at 4 ohms (bridged) - 192W x 2 @ 13.93V
Rated "Max Output Power" - 600W
Measured Dynamic RMS Power at 2 ohms (bridged) - 374+357 = 731W !!

See my full video review on YouTube under the channel for BigDWiz.

I also tested this little amp in the 3 channel mode, using 2 channels for 6.5" coaxials and the other two channels bridged to a single 10" 4 ohm MTX Blue Thunder subwoofer. The amp sounded very clean and dynamic. I was playing back FLAC files through my Kenwood KMM-BT312U head unit in my toolbox boombox. I bought this amp to use in the toolbox boombox, was so happy with the performance, I also ordered the matching 300W monoblock, the KDC-M3001. I'll test this when it comes and report the results.

I don't have reliability statistics as this amp is relatively new to the market. I can say compared to similar sized amps such as the Rockford Fosgate PBR-300x4, the Kenwood eats it's lunch. The PBR isn't bridgeable (also not 2 ohm stable) and isn't nearly as flexible as the Kenwood.

It is my opinion Kenwood has set the bar here for the mini amps. At about the same dimensions (except thickness) as my iPhone 6 plus, it's simply incredible this little amp can put out over 700W dynamically! Great job Kenwood!
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152 people found this helpful
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Reviewed in the United States on January 5, 2016
4 people found this helpful
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Reviewed in the United States on February 2, 2020
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4.0 out of 5 stars The little amp that could
Reviewed in the United States on February 2, 2020
I have a 2006 Colorado and decided to upgrade the sound system. I used JBL's Concert 601CF and a Kenwood DPX792BH deck. Ater installing the deck, I realized the system did not have enough juice to move the speakers. So after looking for a while I decided to give this amp a try. I needed something small to fit in the dash in order to save time on the install. The amp did not disappoint. It fit right at the base below the AC controls which helps to keep it cool. Also, it moves the speakers pretty good. I have to wait to see if it will last, but so far is a good purchase. I am giving it 4 stars because quality remains in question.
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Reviewed in the United States on January 31, 2018
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TSG
5.0 out of 5 stars There's a good chance I'll buy another one of these soon.
Reviewed in the United States on January 31, 2018
I don't know why Amazon lists this as "Kenwood 22154656" instead of its actual model number of KAC-M3004, but if you're curious, that's what it is. I'm extremely happy with this amp. I also own a KAC-M1804, and I'm not sure whether these are concurrent models or the 3004 replaces the 1804 or what, but if space isn't your *sole* concern I would highly recommend the slightly larger M3004 - it's something like 1/2" in each direction bigger, and what you get for that is more power, bridging, filters, variable crossovers, a 2 ohm stability. It's a lot of extra features for a small price and size increase. It works perfectly in my 2002 Saab Viggen in place of the factory amp, and since it has built-in HPF/LPF, I'm able to drive the door woofers in LPF mode (as the factory did) and the rear full-range speakers at the same time, with the same tiny amp. Huge improvement in sound for something like a 30 minute install. I guess bear in mind I'm listening to MP3s in a convertible, so I won't comment on its audiophile qualities, but it seems very good especially for a Class D amp. I was having a rough time finding an amp that did exactly what I needed it to (that is, be small, reasonably powerful, and have a built-in LPF) so I was happy to find this. There's a good chance I'll buy another one of these soon.
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4 people found this helpful
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Reviewed in the United States on November 10, 2023
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5.0 out of 5 stars Very compact, superising quality for the price
Reviewed in the United States on November 10, 2023
I replaced my old big amp with this small guy, really easy to install and configure. Very compact! Sound quality is surprising. Overall, for its price, exceeded expectations.
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Top reviews from other countries

Dave Marsh
5.0 out of 5 stars Great little amp
Reviewed in Canada on May 7, 2023
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Dave Marsh
5.0 out of 5 stars Great little amp
Reviewed in Canada on May 7, 2023
Very pleased with this unit. I bought it for my Miata. It’s plenty loud enough. This is essentially two amps in one box that can be bridged. 4 CH, 2+Sub, or 1 bridged mono.

With the four channels you can adjust the gain on each one, so you can set the Fade front to rear. (My setup)

Each channel also has adjustable low or high pass filters, so if you’ve got a small set of tweeters or in seat speakers, you can roll off some lows. Filters are low/off/high selectable for both sides/Chanel pairs of the amp.

Easy setup out of the box. Standard car amp stuff. Would recommend.
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alan k perry
5.0 out of 5 stars worked good
Reviewed in Canada on July 14, 2022
Curtis wells
4.0 out of 5 stars Quality
Reviewed in Canada on January 18, 2024
Colby
5.0 out of 5 stars Impressive amp
Reviewed in Canada on October 12, 2021
One person found this helpful
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WinterIsComing
5.0 out of 5 stars Really nice amp for the size and power
Reviewed in Canada on October 6, 2018
One person found this helpful
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