My amp turns on then the music cuts in and out

When my system turns on my amp power light comes on and every time the bass hit it would dim. and after a few min the subs would start hitting and distort then the subs would still be hitting with no music going through it when my cd player was at zero. then the next day i go to listen to my system the music was cutting in and out and the subs were hitting all weird. What is going on help me plz

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113 Answers

Check your main ground, if possible try to read voltage across making sure 12-14v present with load and some signal.

Posted on Aug 08, 2007

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There is a smell in my car every time I play my system for long periods of time. Its a burning smell. Everything is wired correctly and I have a separate battery in the back of my car to power my subs. I...

The problem could either be the amp over-heating or the subs could be over-heating as well. One of my friends owns an Alpine MRD-M1005, and one day they decided to clean it inside and out and realized they had some burnt spots on the circuit board, although they never smelt anything burning, and the amp still works fine.... As for the lights dimming you should probably buy a power Capacitor, atleast a 1 Farad or larger.

Hope this helps.

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Nov 08, 2010 • Alpine MRP-M1000 Car Audio Amplifier

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My red protection light comes on and the amp stops if i turn up the volume on the head unit more than just a little. the settings on the amp are not more than half way up. all other lights are working....

sounds like you need a farat cap, your drawing more power than your cars gerating system and put out....does your stereo dim when the bass hits?

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Oct 20, 2009 • Sony Car Audio & Video

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Amp cutting out when bass hits

With an amp like that you can not pull enough power from you cars battery alone. That is why when it hits hard it drains the amps from your battery and you amplifier cuts out. The light on the amplifier most likely dims when the bass hits. You need to get a capacitor. They are easy to hook up on the main power wire. You can get one from http://phatcaraudio.com/capacitors.html or get a used one off ebay.com. Good luck

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Jul 01, 2009 • Alphasonik PMA1000D Car Audio Amplifier

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I have a valor dvd player in my 2004 pontiac grand am with the 8 speaker monsoon stero system built in 500 watt amp,, i have a 1000 watt amp hooked up to two 10 inch woofers,,,,when i turn the car on the...

MAKE SURE UR GROUND WIRE IS TIGHT, AND MAKE SURE UR RCAS ARNT NEXT TO THE POWER WIRE.

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May 10, 2009 • Car Audio & Video

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Hifonics Nemnsis powerin off.

need to charge you batteries up more bass cuts out because not enough power! i have the same issue! 2 amp slow charge is the best way to charge your batteries!
or caps!

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Jan 27, 2009 • Hifonics HFR1 Amplifier Accessory - Remote...

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Protect light flashing on and off, sub cuts in and out

there is a wire crossed somewhere in the system or the sub is damaged how old is the amp

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Dec 01, 2008 • PPI DCX-600.4 Car Audio Amplifier

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Amp clickin in and out

Had a similar problem, mine was a power problem.
Power meaning voltage.
Those big bass speakers draw lots of power. My original alternator couldn't keep up.

Question: Do your headlights dim in rhythm to the bass hits?

If so, your sound system wants more power than your vehicle is producing.

My first solution was a high output alternator. It worked great.

Then I added another amp. Not great anymore.

My second solution was to tie in a large capacitor to the amps power supply. (These a big (1 farad), about the size of a Pringles can)

Your amps power consumption is not uniform. Each time your amp punches the bass, it draws extra power. If that power isn't available, it starves and shuts down (if only for a second) then restarts.

The higher the gain, especially using a low pass filter, the more power needed for each thump. Thats why when you turn the bass down, you can get higher volume from the rest of the system.

How a capacitor can help (simply put):
In this application, the capacitor acts like an auxiliary battery, smoothing out power fluxuations. The capacitor builds up its charge literally between bass hits when power demand is low. Then releases it's charge when the demand is high. Think of it as an on-demand power boost.

Hope this helped

Mike

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Jul 10, 2008 • Rockford Fosgate P3001 Car Audio Amplifier

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BASS COMES IN AND OUT

check your ground wire and make sure it is on bare metal, no paint or rust or anything that could get in the way. also check to make sure you have a good power connection. thats all i can help you with. hope it works.

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Mar 20, 2008 • Car Audio & Video

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Subwoofers

If the light on the amp is dimming when the bass hits it's usually a power related problem. It sounds to be that you don't have enough power going to the amp to drive the sub. It should stop if you reduce the volume at which you are playing the music. Yes?
How to solve this is to, increase the size of your power cables, add a power capacitor if needed & change the car battery to a higher capacity one.
The other option a little more professional, would be to fit a split charge system & a secondary battery to the boot/trunk of your car just to run your stereo system, with a power capacitor too. This will provide all the juice that your system requires so you can bang your head as long as you want :P

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Sep 24, 2007 • Car Audio & Video

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