Question about Kenwood KAC-9152D Car Audio Amplifier

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Kenwood hac 9152d, was working fine now doesnt output any sound

The red light is still on so its not blown, its still recieving signal from the head unit and th sub isnt blown as i hav tested it with a standard speaker and still doesnt make any sound, it was working fine and then when i wasnt listening to loud music or anything it jst went off
everything is still connected fine and no adjustments have been made, help please, thanks.

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  • breeeeza Dec 11, 2008

    Really, i dont think that can be the came with mine as mine has 2 30amp fuses in and both of them are not blown.

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Check the fuse on the amp.

My girlfriend had the same thing, light was on, no sound whatsoever. The fuse on the amp had blown, but I'm guessing some current must have made it through to just put the light on. Make sure you have a 40 amp fuse in it, that's what it needs.

Good luck

Posted on Dec 10, 2008

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My Kenwood kac9152D turns on but why dose the red light on the top keep flashing?


The manual only says the power indicator burns when the power is on.
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I can't find anything about it also should flash. The only thing I can think of, it has detected an error, like a blown amp or a low impedance on a speaker terminal.
Here is the manual:
http://images.kenwood.eu/files/prod/29/5/KAC-9152D_9102D_8152D_8102D_(EN).pdf

Jan 17, 2015 | Kenwood KAC-9152D Car Audio Amplifier

1 Answer

I have a KAC 9152d with a red light on. what is the protect light and normal operating light colors? with the red light on the sound doesnt sound as full as it shoudl be. its running 2 12" alpine type R's...


your ampifier is in protect mode, try to dettache the speaker and turn on it.if the green ligh on ,one of your speaker is deffective but still the red light on theres something wrong with your amp.

Mar 03, 2010 | Kenwood KAC-9152D Car Audio Amplifier

1 Answer

How do i connect a kenwood amp to my 2003 bmw m3 with a stock hk system and head unit? i just need to kno where to connect the amp to the car radio


You will need to connect your speaker outputs from the head unit to the high power inputs on the amplifier. If the amp only has low power inputs(rca jacks) then you will need to get a device that lowers the output signal from the radio so the amp can be connected. The red wire will go to the switched power. The yellow will go to constant power. Black goes to ground. Now the blue wire is the signal the amp gets from the stereo to turn on. Your stock stereo will probably not have this ability so you will have to hook that wire to the switched power. Your amp will come on whenever the key is on...even if the stereo is off. If your stock stereo has a wire that sends out a power signal when it is turned on you could try that for the blue wire. Just make sure you have the negative battery cable on the car disconnected so you don't short out your vehicle's electrical system while installing the amp.

Sep 21, 2009 | Kenwood KAC-9152D Car Audio Amplifier

1 Answer

Amp shuts off when switched from radio to cd


your amps rem wire is hooked to the power antenna wire on your head unit and so when you turn off the radio you would nolonger need an antenna so it powers down and would lower the antenna.Depending on the head unit you should have one output for the power antenna and one for the amp rem......If your head unit doesn't have the rem output you can wire it to the switched wire that powers your head unit but keep in mind the amp will stay on while you have the key in acc or run position even if your head unit is off.
hope this helps!

Jan 16, 2009 | Kenwood KAC-9152D Car Audio Amplifier

1 Answer

Kac-ps201t problem


I had a similar problem with a KAC-X812D Kenwood amplifier.
My problem turned out to be that the RCA inputs were so sensitive, they picked up interference from my head unit through the RCAs.
I replaced the head unit with a newer model, and had no problems after.

This may not be your case, but hope it helps.

Dec 15, 2008 | Kenwood KAC-9152D Car Audio Amplifier

1 Answer

Restet amp


you might have abad set of outputs in you radio check to see if they have voltage coming through them with a mutimeter

Oct 31, 2008 | Kenwood KAC-9152D Car Audio Amplifier

1 Answer

I need help


Most of the time if the red light is on the amp is no blown but some times it does this cause the subs are hooked up in the wrong way. If the amp is only 2ohm stable and you hook the subs up to it at 1 ohm than the amp will not work so I would check this frist.

Oct 17, 2008 | Kenwood KAC-9152D Car Audio Amplifier

3 Answers

Kenwood kac 9152D


Usually, protection mode is caused by one of these conditions:
  • Shorted speaker outputs.
  • Speaker output shorted to ground.
  • There is an internal issue, causing DC voltage to be present on the speaker outputs.
  • Amp overheats.
  • Ground connection is insufficient for amp or HU.
I'm not sure of the history or symptoms of your amp, but those are the reasons why the amp could go into protection mode.

Mar 13, 2008 | Kenwood KAC-9152D Car Audio Amplifier

2 Answers

Kenwood KAC-9152D problem


It sounds to me like you may have burnt a trace off of the bottom of the circuit board inside the amplifier. If you know how take the amplifier apart and look carefully at the traces. To be clear the traces are the lines on the bottom of the circuit board not the component side. Look carefully they can sometimes be hard to spot. If you find one solder a jumper wire across the two points. If you take the amplifier apart take care in treatment of the output transisors along the sides.

Jan 17, 2007 | Kenwood KAC-9152D Car Audio Amplifier

3 Answers

My Kenwood KAC 9152D 1800W AMP acting funny


Sounds like you got the wrong speaker load by either parralleling some speakers or else you bridged the outputs in such a way to create the wrong speaker load or maybe all of the above. In short, it sounds like you have blown at least one of your output channels and its time for a trip to the repair shop. I suggest you disable your amp at once so that it doesn't do any more damage to itself.

Jan 09, 2007 | Kenwood KAC-9152D Car Audio Amplifier

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