Question about Kenwood KAC-9152D Car Audio Amplifier

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I have a kenwood kac-9152d running a 10 inch rockford fosgate power t1 and the amp keeps going into protect but i have a smaller kenwood kac-8102d running on another t1 and i have no issues with it why would the bigger amp be cutting out

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Either the wiring your running is short circuting,or the amp is shot, or the subwoofer is shot, try hooking the same speaker up to the other amp. along with the other speaker to the other amp, see if the same thing happens.

Posted on Feb 04, 2010

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My rockford fosgate T1 amp blew a fuse and now protection is on


Chances are that more than a fuse went. I would follow (internally) the path of the wires from the speaker you mentioned - inside the amp. This should bring you out to the main amp. I think you will find that whatever powers that channel is faulty.

Apr 10, 2013 | Rockford Fosgate FAP T1 Amplifier

1 Answer

I have a kenwood kac-9152d amplifer and it works just fine for about 10 minutes then just shuts off and subs dont work, about 30 seconds later my amp turns back on with the subs.


make sure it's well ventilated. If there's no air flow, then there is no way of cooling down and to protect itself it will shut off. Make sure the speakers are wired correctly as per amp specs. too many subs or subs connected improperly can draw too much current and shut the amp off, but you will notice this when you turn up the volume to a certain point and the amp shuts down.

Aug 30, 2011 | Kenwood KAC-9152D Car Audio Amplifier

1 Answer

I have a Kenwood KAC-9105D amp with 2 Rockford fosgate 10 inch subs in a sealed box. When i turn the volume up loud the bass fades out for a few secs and then comes back to being loud again, this keeps...


It's the battery, not enough juice to supply your amp at loud volumes so the bass will drop out especially on long bass notes. Replace your battery!

Sep 25, 2010 | Kenwood KAC9105D Car Amp

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

Amp goes dirctly into protect


ok well it could be two thing wrong your amp dont have a good ground or your amp is a smar amp and your subs must have to be hooked up so the power from the amp cn go to the subs so the amp can see that you do have subs hooked up to take it out of protect o and look at your fuses to to smal or to big will send it to protect to

May 19, 2009 | Kenwood KAC-9102D Car Audio Amplifier

1 Answer

Kenwood KAC-9152D Car Audio amp


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-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

Rockford P550.2 going into protect mode


Does it shut off for a couple of minutes or a couple of seconds? Is the amp hot when it shuts off? Are you sure you have the speakers wired to an acceptable ohm load for the amp? Have you measured the voltage at the amp (across the B+ and ground terminals) to make sure it's not dropping too low on hard bass notes?

Oct 08, 2007 | Kenwood KAC-9102D Car Audio Amplifier

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