Question about Kenwood KAC-9102D Car Audio Amplifier

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My Kenwood amp shuts down and goes into protection mode after I play it for a minute or so. I have it cranked pretty loud. I have checked out my speakers and there are no shorts. I have a preamp between my radio and amp. Cannot figer out why it is shutting down if wiring is good. Thanks!!

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Could be you don't have enough voltage going into the amp or it could be the pre amp in between. if your voltage is below 11 volts then you need more voltage. you should have at least 12 to 14.4 volts.or you might have a small short in your amp.

Posted on Aug 04, 2010

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2 Answers

My sound plays for a while and then the amp goes into protection


Try a different set of speakers or if it keeps going into protection you have a channel going bad.

Jan 14, 2014 | Audio Players & Recorders

1 Answer

Volume decreases drasticly after playing loud 15-20minutes


Shes overheating and thus goes into emergency mode and shuts down the volume to help cool down the built in amp . Dont know if it has a built in fan (likely not) but its overheating which can be a number of reasons why...from a failed heatsink componet, inadequet venting, shorted circuit. Can you take it out and inspect it?

Dec 03, 2013 | Kenwood Kdc-x994 Car CD/ MP3 Player

1 Answer

After driving for about thirty minutes my amp will just cut off, it seems a little hot and then it will turn back on in about 10 minutes. I'm not playing my music loud at all and I have all kenwood...


sounds like your speaker is either the wrong resistance for your amp ie your amp may state 4 ohms and your speaker is 2 ohms which means that the speaker is shorting out the amp and its going into protection mode or the speaker could be burning out and shorting out the amp

May 30, 2011 | Car Audio & Video

1 Answer

I hooked up 2 capacitors into my amp and every time I put power to it the amp shuts off and 10 seconds later a red light comes on for 5 seconds and the amp don't turn on, basically it goes into protect...


Well, I have no idea why you would have two capacitors on a 500 watt amp but, did you charge the capacitors? Have you tried the amp without the capacitors? What size power wire are you using?

Sep 20, 2010 | Kenwood KAC-9102D Car Audio Amplifier

1 Answer

My amp is a kenwood kac-9152d it goes in to protection mode soon as you hook up the power


In protection mode do you mean the light comes on and it plays music and stuff? If that's the case, that's what the amp is supposed to do. Protect itself from a power surge

Feb 21, 2010 | Kenwood KAC-9102D Car Audio Amplifier

1 Answer

Kenwood amp kac-x401m


How long will the bass play before the amp kicks into protection mode and how loud are you listening to it? I've noticed with my amps that if they don't have enough air flow they will get hot and kick into protection mode. They will also kick into protection mode if you are running it at more than it can handle. Check your adjustments on both your amp and the head unit. Make sure you are not running more bass than the amp can handle.

Nov 04, 2008 | Kenwood KAC-9152D Car Audio Amplifier

1 Answer

My Kenwood amplifier is having problems, whenever i turn it on. all seems well until i play some music through it, after 30seconds to a minute the music will cut off and a distinct click is sometimes...


Your amp is going into protection. The click you hear is a relay meant to protect your speakers and stereo. Check your speakers with an ohm meter for the the proper ohms ( listed on the speaker ) and physically try to push each woofer and midrange cone in gently to make sure it moves and is not stuck or frozen in place. A speaker may read correctly on an ohm meter if the woofer is ok but if the tweeter or midrange is not working it will cause the amp to go into protection mode. When you play music stick your ear up to each tweeter\midrange\woofer to ensure they are working.
Your stereo could also be the culprit although usually if it plays music it is ok as long as you are not hearing loud pops. Loud pops are voltage spikes that indicate that a transistor\IC is breaking down and will eventually short. Good luck!

barneyluc

Oct 01, 2008 | Audio Players & Recorders

2 Answers

Amp trouble


The ohm load may be too low. What make/model amp is it?

Jul 31, 2008 | Car Audio & Video

1 Answer

Amp goes into protection


First change the wire,and disconnect the subwoofers to check if the amplifier turn on without going in to protection mode,if the amplifier go to protection mode you gotta change the Audio amplifiers IC's because they are in short circuit.And if don't go in to protection put one speaker at a time to check if one of them are damaged.Good luck.

Jun 02, 2008 | Kenwood KAC-9102D Car Audio Amplifier

1 Answer

Protection mode


Disconnect all speaker wires from the speaker terminals of the amp. If it powers up and doesn't go into protect when you increase the settings, the wiring needs to be checked. If it still shuts down, the amp may need to be repaired.

Does it shut down or make loud noises when you move the RCA cables where they plug into the amplifier?

Mar 27, 2008 | Power Acoustik LT-980/2 Car Audio...

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