Question about JVC KS-AX4550 Car Audio Amplifier

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When I turn the volume up even a little bit, the protect light comes on and stays on

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Hiya,

Try disconnecting the speaker cables, then turn it up and see if it protects. If not, then connect one speaker at a time (on very low volume otherwise could pop the amp) and see if you can identify a faulty speaker/channel. Then try a known working speaker on the amp channel that is giving problems (to eliminate a fault with the amp). If the known working speaker also trips the amp, then it is that channel faulty. Hopefully you get away with a bad speaker wire though!!

Best of luck

Posted on Jul 16, 2009

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