Question about Kenwood KAC-9152D Car Audio Amplifier

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Sound cutting out

When i press my brakes the sound cuts out on my kenwood amp

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Was the amplifier installed by a professional or shadetree installer?
May have tapped into wrong wire for amplifier turn-on.

Posted on Jan 03, 2009

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Posted on Jan 02, 2017

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My ne kenwood amp keeps cutting in and out and i would like to know why

I suggest that the load, in ohms, may be incorrect, thereby overheating your amp, which cuts out, and back on when cooled. Measure the load with am ohm meter and I bet you will be off of spec.

Jun 03, 2011 | Kenwood KAC8105D Car Amp

1 Answer

Music cutting out

Hello santiclause0,

If your amp is the Kenwood KAC-8103D, it is rated at 500 watts RMS into a 2 ohm load. Your vehicle electrical system should be able to provide plently of current even without a capacitor. But over time wires corrode, the alternator doesn't work as well as when new, and even the battery itself doesn't put out as much.

What I'd recommend is a "start from scratch" approach and find out why the amp cuts out when something else on the vehicle suddenly demands current. First of all, make sure that the amp wiring is adequate and all the connectors are tight. The recommended power and ground wire size for the amp is 8AWG. Make sure that the ground is within 3 feet of the amp and that it connects DIRECTLY to bare metal. Make sure that none of the wiring has any breaks in the insulation and that none are making contact with the vehicle body or other wires. Finally, check that you are not asking the amp to produce more power than it was designed to deliver. The minimum load impedance should be no lower than 2 ohms.

If everything on the amp is OK, then your vehicle simply cannot deliver enough current. There's several cures for that. The first would be to do the "Big Three" upgrade. Just Google "big three upgrade" and the very first result will be the install bay forum. There is a step-by-step procedure and a complete materials listing. And most of the time, upgrading the "big three" will cure low current audio problems. Changing out the battery to one with a higher amphour rating and/or installing an alternator with more output capability are also possible cures.

Hope this helps.

Apr 27, 2009 | Kenwood KAC-8103D Car Audio Amplifier

1 Answer

I have an alpine head unit and a kenwood 1000 watt amp. I have two 12" subwoofers hooked up to the amp and thats it. I got my tweeters, and door speakers powered by my head unit. The bass was cutting in...

your amp may have burned out or try checking the fuse in the amp and the car also your channels may be burned or you may jus have water damage to the amp

Feb 18, 2009 | Kenwood KAC-7202 Car Audio Amplifier

1 Answer

Amplifier cuts out sound and then turns back on then couple of more seconds the amp. cuts back out

There could be several problems. The following page should help you determine if you have a problem with the amp or something connected to the amp.

Amplifier in Protection Mode - Troubleshooting

Let me know if you have any other questions.

Sep 17, 2008 | Kenwood KAC-7202 Car Audio Amplifier

1 Answer


your amp may be overheating, or you have it up too loud and the surge protector is shutting it of in fear of damage to your amp.

Apr 24, 2008 | Kenwood KAC-7202 Car Audio Amplifier

1 Answer

Kenwood kac-848

You have blown outputs , faulty channels. What kind of amp do u have and what were u running to it? Most likely a bad amp, u might need a new one.

Jan 24, 2008 | Kenwood KAC-848 Car Audio Amplifier

2 Answers

Kenwood excelon kacx401m

Sounds like an overload, amp switches on, can't get enough juice and switches off. Get a friend with a volt meter to measure the voltage at the amp power terminal as you turn it on, if it drops below 10.5v the amp hasn't got enough juice. Some amps can cut out before the fuse blows, so you never know it's an overload. I'm not sure what you mean by a 'power slide door'

Apr 20, 2007 | Kenwood KAC-X401M Car Audio Amplifier

1 Answer

Off and On at mid and high volumes

sounds like you have a problem with your grounding on you amplifier. check for shorts on your amplifier and the place where you have it grounded. (or check the power wire also.)

Nov 01, 2006 | Kenwood KAC-7202 Car Audio Amplifier

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