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Kenwood KAC-M3001 Compact mono subwoofer amplifier — 300 watts RMS x 1 at 2 ohms

Item # 113KACM3K1

Kenwood's KAC-M3001 compact mono subwoofer amplifier will power the bass in your vehicle with up to 300 watts RMS.

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Kenwood's KAC-M3001 compact mono subwoofer amplifier will power the bass in your vehicle with up to 300 watts RMS.

6 questions - 7 answers

Item # 113KACM3K1

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About the Kenwood KAC-M3001

Buck Pomerantz

Power a sub wherever you go

Kenwood's KAC-M3001 compact mono subwoofer amplifier will power the bass in your vehicle with up to 300 watts RMS. That's enough to hear the bass 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 put great bass in whatever vehicle you wish.

Power a sub wherever you go

Kenwood's KAC-M3001 compact mono subwoofer amplifier will power the bass in your vehicle with up to 300 watts RMS. That's enough to hear the bass 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 put great bass in whatever vehicle you wish.

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 subwoofer output terminal features a plastic-covered plug that provides further protection for the connection.

High-level inputs ease installation

The KAC-M3001 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.

Confused about impedance? Check out our article on matching subs and amps.

Subwoofer Wiring Diagrams

To see sample wiring diagrams for all common subwoofer/amplifier combinations, check out this informative article.

READ LESS

Product highlights:

  • mono subwoofer amplifier
  • 200 watts RMS x 1 at 4 ohms (300 watts RMS x 1 at 2 ohms)
  • CEA-2006 compliant
  • Class D amp technology
  • conformal-coated circuit board — suitable for power sports and marine applications
  • variable low-pass filter (50-200 Hz, 24 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: 6-7/8"W x 1-13/16"H x 3-7/8"D
  • warranty: 1 year
  • MFR # KAC-M3001

What's in the box:

  • Mono block amplifier with a 30A ATM mini-fuse installed
  • 9" Speaker output harness (4-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 (1 sheet)
  • Instruction Manual/Warranty Card

Scratch & Dent items may be missing non-essential accessories. In some cases the manufacturer's accessories have been replaced with generic equivalents.

See the difference between "Open Box" and "Scratch & Dent" Outlet items

Customer reviews for Kenwood KAC-M3001

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More details on the Kenwood KAC-M3001

Mark G.

Product Research

Features
Connections

Features

Compact Amplifier: The Kenwood KAC-M3001 compact Class D mono block amplifier is designed to drive a subwoofer (or two). 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-M3001 delivers 200 watts RMS x 1 channel at 4 ohms. It also gives you 300 watts RMS x 1 at 2 ohms.

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 amp has a low-pass crossover to filter out the high frequencies that a subwoofer is unable to reproduce. The crossover has a continuously variable crossover point (50 to 200 Hz) with a slope of 24dB/octave. The crossover cannot be turned off.

Mounting: The KAC-M3001 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 a pair of RCA inputs for connecting a stereo RCA patch cable 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 four 16-gauge wires for connecting your speakers to the amp. The two positive and two negative wires are each soldered together to produce a single positive and a single negative output. You can connect a single 4-ohm or 2-ohm sub directly to the amplifier. Two 4-ohm subs wired in parallel or two 2-ohm subs wired in series can also be connected. Speaker wiring diagrams for each configuration are printed in the included Installation Guide.

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Customer Q&A

6 questions already asked

Q
How much power can the speaker level inputs take? It says to use a bare wire to RCA adapter but the specs only say the input sensitivity is from 0.2V-5V. I want to tap into my factory subwoofer signal which is rated for 40W RMS.
tony  Sep 11, 2023
1 answer
A
I think this is no cause for concern, Tony. Kenwood does not list the wattage maximum on the speaker level inputs, so there is no way to determine an exact spec. If you notice any sort of clipping or bad sound, you can always add the LC2i Pro in the link below to process and control the voltage output of your subwoofer signal. https://www.crutchfield.com/p_161LC2IPRO/AudioControl-LC2i-PRO.html
bo  Sep 11, 2023 (Staff)
Q
Good morning, I have a question before I order... could this amp power 4 Polk DB 692 speakers (for my motorcycle)? Thank you!
scott  Sep 16, 2020
1 answer
A
It can but doesn't sound very good. I have a fosgate 400 watt for four speakers on my street glide and it can be heard at highway speeds however, a larger amp would be ideal.
dial ray  Oct 07, 2020
Q
Is this amp 1ohm stable? I am looking to power subs that have dual 1 ohm voicecoils.
aaron  Dec 06, 2019
2 answers
A
Hi Aaron, thank you for your question. The Kenwood KAC-M3001 is not 1ohm stable. Chat with an Advisor online or by phone at 1-800-324-9695. We will be happy to help you find an amp that can safely and effectively drive your subs.
jessica  Dec 31, 2019 (Staff)
A
Amp is too small to run 2 subs at 1ohms.
dial ray  Dec 31, 2019
Q
Could this theoretically power 6 speakers, 2 sets of 3, each set wired in parralel, then both sets wired together in series, connected to the amp in bridged mode. The load impedance would be 2.67 and 300 watts RMS w/ 600 peak from the speakers. The amp says it can handle a load impedance of 2 ohms?
carlos  Nov 26, 2017
1 answer
A
I didn't quite follow your wiring description there Carlos. I can tell you this is a mono (single channel) amplifier so, no; it cannot be bridged (as that requires 2 channels). Assuming you were able to wire the 6 subwoofers to present an acceptable impedance (It's certainly possible depending on the number and impedance of each woofer's voice coils) you would get no more than 50 watts RMS per sub. For additional assistance and personalized recommendations, feel free to contact us directly by phone or through our online chat service: https://www.crutchfield.com/support/ContactUs.aspx
ryan  Nov 30, 2017 (Staff)
Q
i burned up a kicker subwoofer 43CWRT672 voice coil in my jeep tj center console with this amplifier KAC-M3001 wired in series for 4 ohms. i plan on replacing the subwoofer. is this kicker speaker not rated for this amp or could i wire up the replacement differently so i don't burn it up in 1 day?
james  Aug 31, 2017
1 answer
A
Thanks for your question. For information on selecting the best amp/sub combo I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the different models and help you make the best choice for your system.
kenneth  Sep 01, 2017 (Staff)
Q
can this amp be ran at 1 ohm?
cody  Sep 30, 2015
1 answer
A
2 ohm, but not sure about 1ohm. In any case this amp runs my 8" Kicker Marine sub very well with no problems!
jim  Oct 01, 2015
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