Question about Hifonics XX-Zeus Car Audio Amplifier
When car stero is on or off the amp from subs make a low wine noise. It will go away if I like push or tap the amp itself...
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ou may have damage to the circuit board in the amplifier. If it is a whining sound it could be coming through the subs without you realizing it. Are your RCA cables and power cables separated from each other by at least 18 inches?
Posted on Nov 21, 2014
There may be a cracked solder joint on the main PCB.
also - check the wiring.
There should be no noise if the radio is off.
When it's on - remove the RCA cables... and see if the noise persists.
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Posted on Dec 11, 2009
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Posted on Jan 02, 2017
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