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<blockquote data-quote="fuster" data-source="post: 7559873" data-attributes="member: 604663">Hi, Matt:If the amplifier goes into &quot;protect mode&quot;, I assume you mean it shuts off.&nbsp;&nbsp; If the amplifier is actually on but there is no audio signal coming out, you have an internal problem with the amplifier if you have already checked your ground connection for problems or the positive wire feed for problems.&nbsp; If the amplifier is not getting the correct voltage (which it won&#039;t if it requires a certain current value but the power feed has low voltage for some reason, reasons I won&#039;t elaborate here), it will shut down to protect its power supply circuit.If the power feed is good to the amplifier (I am not going into tests to trace issues) then your problem is internal.&nbsp; I have no idea of the value of that particular amplifier (I only use old school made in USA amplifiers), but you should be able to find an electronics repair shop that services car audio somewhere around where you live.&nbsp; Of course, you have to trust them.There are some places on line that say they repair amplifiers.&nbsp; I have not used any of them.&nbsp; You might try eBay, there are a few listing services on there for a flat rate of around $125.</blockquote>

[QUOTE="fuster, post: 7559873, member: 604663"] Hi, Matt: If the amplifier goes into "protect mode", I assume you mean it shuts off. If the amplifier is actually on but there is no audio signal coming out, you have an internal problem with the amplifier if you have already checked your ground connection for problems or the positive wire feed for problems. If the amplifier is not getting the correct voltage (which it won't if it requires a certain current value but the power feed has low voltage for some reason, reasons I won't elaborate here), it will shut down to protect its power supply circuit. If the power feed is good to the amplifier (I am not going into tests to trace issues) then your problem is internal. I have no idea of the value of that particular amplifier (I only use old school made in USA amplifiers), but you should be able to find an electronics repair shop that services car audio somewhere around where you live. Of course, you have to trust them. There are some places on line that say they repair amplifiers. I have not used any of them. You might try eBay, there are a few listing services on there for a flat rate of around $125. [/QUOTE]

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