Question about Alpine PDX-4.100 Car Audio Amplifier
I have recently upgraded 2 amps in my boat to the pdx series. After disconnecting 2 other amps and utilizing the existing wiring, once the system was turned on while the boat motor is running I have terrible engine whine. I didn't have that with the previous brand amps. any idea what would cause this from the new amps?
Try isolating the rca cords away from the power cords-sometimes they pickup and transmit engine noise through the amps if they are too close together
Posted on May 27, 2009
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Posted on Jan 02, 2017
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