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Kenwood KAC-5001PS

Mono subwoofer amplifier — 500 watts RMS x 1 at 2 ohms

Item # 613KAC5001

Kenwood's Performance Series KAC-5001PS subwoofer amplifier can take care of your sub system's power requirements,...

Find what Fits your car

Kenwood's Performance Series KAC-5001PS subwoofer amplifier can take care of your sub system's power requirements,...

Discontinued item
10 questions - 17 answers

Item # 613KAC5001

About the Kenwood KAC-5001PS

Power and performance for your subwoofer system

Kenwood's Performance Series KAC-5001PS subwoofer amplifier can take care of your sub system's power requirements, and then some. With up to 500 watts RMS of power, you'll get clear, loud, and rockin' bass in your car. A rugged heat sink keeps this compact amp running at optimal temperatures, even when you're pushing your system hard.

Power and performance for your subwoofer system

Kenwood's Performance Series KAC-5001PS subwoofer amplifier can take care of your sub system's power requirements, and then some. With up to 500 watts RMS of power, you'll get clear, loud, and rockin' bass in your car. A rugged heat sink keeps this compact amp running at optimal temperatures, even when you're pushing your system hard.

Versatile adjustments and setup

A built-in low-pass filter lets you adjust the output so you'll get the best sound possible from your subwoofer/box combo. You can dial in up to 18 dB of bass boost if you want to fatten up the sound. An aluminum cover plate protects the amp's controls and connections, giving your installation a professional look.

Package deal: Save money when you buy this amp as part of these Kenwood dual 10" or dual 12" bass packages.

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

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Product highlights:

  • mono subwoofer amplifier
  • 300 watts RMS x 1 at 4 ohms (500 watts x 1 at 2 ohms)
  • CEA-2006 compliant
  • variable low-pass filter (50-200 Hz at 24 dB per octave)
  • bass boost (0-18 dB at 40 Hz )
  • Class D design
  • preamp inputs
  • fuse rating: 30A x 2
  • 8-gauge power and ground leads recommended — wiring and hardware not included with amplifier
  • 9-13/16"W x 2-1/4"H x 7-9/16"D
  • warranty: 90 days
  • Our 60-day money-back guarantee
  • MFR # KAC-5001PS

What's in the box:

  • Refurbished mono subwoofer amplifier
  • 2 End caps (installed)
  • Two 30-amp fuses (installed)
  • 2.5mm Allen wrench
  • Four 5/8" Self-tapping screws
  • Instruction manual (English/ French/ Spanish)
  • Warranty information

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Product Research

Features

CEA-2006 Compliant: CEA-2006 is a system of testing and measurement methods for mobile audio amplifiers. This voluntary standard advocates a uniform method for determining an amplifier's RMS power output and signal-to-noise ratio. The criteria for measuring power uses a DC input voltage of 14.4 volts and the RMS power output is measured into a 4-ohm load, with 1% or less Total Harmonic Distortion (THD) plus noise, and over a frequency range of 20 Hz to 20 kHz, when applicable (20-200 Hz for this subwoofer amp). Signal-to-Noise ratio is measured in weighted absolute decibels (dBA) at a reference of 1 watt into 4 ohms. CEA-2006 allows consumers to compare car amplifiers and receivers on an equal basis. Using CEA-2006 criteria, the Kenwood KAC-5001PS is rated at 300 Watts RMS x 1 channel with an 83 dBA signal to noise ratio.

Specifications: The manual also lists these non CEA-2006 compliant specifications:

  • Power: 500 watts x 1-channel (into 2Ω, at 100 Hz, no more than 1.0% THD, 14.4 volts)
  • Signal to Noise Ratio: 100 dB (at rated power)

Mono-Power Amp Design: The KAC-5001PS is designed with specific features to power your subwoofer(s) with a frequency range between 20 and 200 Hz. This amplifier is not designed to power a full-range speaker.

Class D Amplifier Design: The amplifier design is Class D, which uses digital switching power supplies. The result is much higher efficiency (less heat generated) than Class AB.

Low-Pass Filter: The built-in 24 dB/octave low-pass filter is continuously variable from 50 to 200 Hz. The crossover is always engaged (it cannot be bypassed).

Bass Boost: The bass boost circuit is centered at 40 Hz; boost is variable from 0 to +18 dB.

Controls:

  • Input Sensitivity: 200mV-5V; continuously variable
  • Low-Pass Frequency: 50-200 Hz; continuously variable
  • Bass Boost: 0-18 dB; continuously variable

Inputs and Outputs:

  • Signal Input: one pair of RCA inputs
  • Power: screw terminal; accommodates spade connector up to 0.55" wide
  • Ground: screw terminal; accommodates spade connector up to 0.55" wide
  • Remote Turn-on: screw terminal; accommodates spade connector up to 0.335" wide
  • Speaker Output: one pair of screw terminals; accommodates spade connector up to 0.335" wide
  • Fuses: two 30 amp ATO fuses

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Customer Q&A

10 questions already asked

Q
I just purchased the Infinity Primus 1270b sub from your website and am now considering this amp to power it. The 1270b has 300 watt rms and 4 ohm. Do you foresee any issues with this pairing? Thanks.
[ Ryan  Dec 06, 2019 ]
1 answer
A
I don't see any issues with this match. The amp outputs the exact amount of watts needed to make your subwoofer play its best. I like it!
[ Paul  Dec 31, 2019 ]  Staff
Q
Will this amp be ok to run with a 10" Rockford Fosgate r1s4-10? It has a rms rating of 200w and a peak of 400w. I have read Crutchfield's article on matching subs and amps. It states to always purchase car audio using rms ratings. 150% of my speakers rms rating is 300 Watts that's why I was wondering about this amp. Thank you.
[ Paul  Jan 06, 2018 ]
2 answers
A
I can't speak for the quality of the amp however whenever pairing amps and speakers total your speakers RMS should match you're amps total RMS. Peak ratings are four contests and burps... Basically the wattage it will take before it dies. It is not an accurate specification to consider when used for listening to music continuously.
[ joshua  Feb 08, 2019 ]
A
I went through two of these amps and there junk shut down continuously overloaded bought a Pioneer works great.
[ David  Jan 07, 2018 ]
Q
Will this push a p3 10" wired 2ohm? Sub is 500 rms
[ Quinn  Mar 27, 2017 ]
1 answer
A
Thanks for your question. For information on selecting the best amp for your sub 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 amp models and help you make the best choice for your system.
[ Kenny  Mar 27, 2017 ]  Staff
Q
What is the bandwidth of the 40 Hz boost?
[ Jason  Dec 19, 2015 ]
1 answer
A
We have not received any answers from other customers on your question. I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They should be able to help answer your question.
[ Kenny  Dec 24, 2015 ]  Staff
Q
What does it mean when the red light turns on the amp?
[ jose  Jul 14, 2014 ]
3 answers
A
Its not melting anything but you don't want to touch it very long and the fan is running
[ steve  Jul 20, 2014 ]
A
You have power to your amp,does it run really hot?
[ steve  Jul 19, 2014 ]
A
Hello, that means it is turned on, has an active power supply, and the remote wire is hooked up correctly. Thanks, Clint MVP Motorsports
[ CLINT M  Jul 14, 2014 ]
Q
How would I go about running this amp @ 4Ohms? I own a Kicker CompR (40CWR122) 12" 800 watts RMS(1600 watts Peak) and the sub has an Ohm switch built right into the wiring port, and the amp specifically states that it can run at 500 watts RMS @ 2 Ohms or 300 watts RMS @ 4 Ohms. Is there something I have to do with the wiring or will the amp just switch itself over once I flip the switch on the sub itself? I'm interested in running at 4 Ohms because I've heard it sounds much better. Thanks in advance for any help provided!
[ John  Jun 25, 2014 ]
2 answers
A
Thanks for the answer and incredible info to match. It also means I need a new amp to power the kicker or a new sub to match the Pioneer. But maximizing potential seems safer then under powering according to those links. I figured if I bought a sub that the amp couldn't blow I would be on the safer side, but apparently I figured wrong lol. Thanks again Krissy, forever in debt to your priceless advice ;-)
[ John  Jun 27, 2014 ]
A
I forwarded your question to an Advisor and they responded with the following: The amplifier will automatically recognized the impedance that the subwoofer is showing to the amp and it will output the amount of power according to the impedance of the sub. Here is something that may help you understand a bit more: http://www.crutchfield.com/learn/wiring-subwoofers-ohms.html?showAll=N http://www.crutchfield.com/learn/how-to-match-subwoofers-and-amplifiers.html?showAll=N If you would like to discuss further you can contact an Advisor directly by phone (1-800-324-9695) or online chat.
[ Krissy  Jun 27, 2014 ]  Staff
Q
I just installed this amp yesterday pushing 2 12's and it worked for a lil bit but then quit?!? What is my problem
[ Tceslinger  May 02, 2014 ]
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/.
[ Greg  May 02, 2014 ]  Staff
Q
Can I hook a bass controller to this amp from the drivers seat so I can adjust bass according to music?
[ Matt  Feb 14, 2014 ]
2 answers
A
Unless there is a third party controller you can find, there is no way to plug anything into the amp to control the bass output. Hope this helps.
[ TYLER  Feb 15, 2014 ]
A
The Scion XB I installed this amp in powers a pair of 12" Kenwoods subs. I believe the sub is under powered for the application. The factory head unit in the XB has a sub output level control which is ideal and can't imagine why you couldn't install an inline contoller.
[ DONALD G  Feb 14, 2014 ]
Q
Can I use an Infinity Reference 1100 watt 10 inch subwoofer with this Kenwood amp?
[ Steven  Jan 20, 2014 ]
1 answer
A
Thanks for your question. For information on selecting the best amp for your subs 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 amp models and help you make the best choice for your system.
[ Jeff  Jan 20, 2014 ]  Staff
Q
Will this amp push my kicker 12 and 2 10s?
[ Benoit  Jul 13, 2016 ]
3 answers
A
Right now I have a kicker 300.1 pushing all three and it is a mono so than it might work right?
[ Benoit  Jul 13, 2016 ]
A
Have one pushing 2 rockford 10's, it works great, but I doubt it'll push all 3 of those together, all the subs need the same rms rating to use the same amp, and it depends on the total rms of all 3 subs together. So I'm sorry I can't truly help without knowing what subs they are.
[ Andrew  Jul 13, 2016 ]
A
Its a mono amp which means it only has one set of outputs on it, so you can get two subs going with it but not the third set.
[ NATHAN  Jul 13, 2016 ]
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