Question about Kenwood KAC-7202 Car Audio Amplifier

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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 and out for about three months, periodically, and than finally all the sound cut out from all my speakers except for my tweeters. I only have sound coming out of my tweeters now.

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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

Posted on Feb 26, 2009

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1 Answer

How do i get full power out of my kenwood kac-1520s amplifier hooked up to two 12" audiobahn 400 watt subwoofers


Your amp is under powered for those speakers (350 max. watt). Even if your subs were 2 ohm your amp will only put out 75 watts X 2 at 2 ohms, if you bridge that amp you might be asking for trouble . I'm guessing there both 4 ohm. Look around for a 2 ohm stable mono amp with more power and you won't be sorry. Ray

Apr 23, 2014 | Car Audio & Video

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What amp would be better to use with what speakers/sub? I have a KAC-7202 kenwood 920W maximum power (150wX2 RMS, 4ohms) (230wX2 RMS 2ohms) and then the other amp I have is a Alpine MRP-M500 mono power...


I'm using that Alpine right now for 2-12" subs and I have compared it to 6 or 7 other amps this month and most were 4 channel 150Watt/Channel Bridged to 300Watts x 2 and found the Alpine to be superior in both sound quality and loudness. The Alpine has also not turned off even with full volume for hours at a time, Very solid amp I was very surprised due to it's size!

Apr 04, 2013 | Kenwood Car Audio & Video

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Can a Alpine X-power mrx-m100 mono powered amp push 2 15" jbl subwoofers model gto1514d???


I have installed car audio equipment for over 40 years on end off. End can see you don,t have the slightest clue what in the hell your doing, Speaker wire doe,s not have to do with it cuting out, It is because of the way you hooked your subs up, That no one can explain to guys like you in writeing,How to do it properly, Number 1, That amp is 2( OHM) Stable, You should be useing 2 (OHM) subs on it,Not 4 (OHM) subs, Take it to some one that no what in the (Hell) There doing (Before) you fry your amp.

Oct 20, 2012 | Alpine X-Power MRX-M100 Amplifier

1 Answer

No sound from amp when amp is powered up, whats wrong? Alpine m-1000 wih alpine deck. Was told something about resetting it but don't know, please help?


There is a number of things that can cause no sound from the amp.

Check to make sure your RCA's are plugged in to the amp.
Make sure the ground and remote are not touching on the amp.
This will cause your head unit to gray out in some areas.
Verify, your subwoofers are in working order.
Test another pair of speakers on your amp to make sure.
If those speakers work, your subwoofers are fried or have come unhooked inside your subwoofer enclosure.
Make sure you have not set the head unit to Surround Sound if you have a DVD player in your vehicle.
This should be set as passive.
Make sure your gains aren't turned down on the amp.
MAKE SURE YOU DIDN'T BLOW A FUSE UNDER THE HOOD.
Even if there is a light on the top of the amp, the fuse might have blown.
Make sure a fuse on the amp didn't blow. This will in some cases cause the amp to go into protect and no bass.




Jul 27, 2010 | Alpine MRD-M1000 Car Audio Amplifier

1 Answer

Will it kill my battery? I want to install this amp and a 12 inch subwoofer but im scared it might kill my battery.


nope you good for up to 1000 watts RMS anything above that you will need battery and alternator up grad

Apr 01, 2010 | Kenwood KAC-7202 Car Audio Amplifier

1 Answer

Amp burned out but fuses still good?


this is caused by inproper wiring from the speakers/subs to the amplifier.. an amp will still put out power to subs and speakers when it's wired improperly but it won't last for very long doing it... 6 months is longer than usual....

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That amplifier is 900W x 1 @ 2ohms.
If your subs are 4ohm SVC wired Parallel, resulting in a 2 ohm load, each sub will only see 1/2 of the rated power. (450W ea.)
Your gain (sensitivity) setting should be between 75% and 85% to max. You will be fine.

Jan 02, 2009 | Kenwood KAC-9103D Car Audio Amplifier

1 Answer

Blinking Led power light


I have a alpine MRP-M350 700 watts class D... i will ask if it can support 2 subwoofer a 1200 watts 10" JBL subwoofer?

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