Coustic Car Audio 481QE Car Audio Amplifier Logo

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Posted on Mar 10, 2011
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Sound turns on and off. Green light sound, red light no sound. It is like playing name that tune. A few seconds of music then off then on and repeat. It is not the deck as it has meters showing output. The subs stay on as they on on a different amp. Is the amp done? Any help provided would be appreciated.

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  • Expert 147 Answers
  • Posted on Mar 12, 2011
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Joined: Mar 04, 2011
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Amp is probably going into protection mode, or does not have enough current from the power wire to continue operating. Check that the speaker wires are not shorting out against each other. Also check your power wire and ground wire. Ensure that the amp is solidly grounded. Are you using the proper gauge of power and ground wire? (4awg recommended.)

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