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Kicker cxa300.4 audio jack problem amp 2
Kicker cxa300.4 audio jack problem amp 2
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Old 13th March 2019, 08:32 PM   #1
rhempz01 is offline rhempz01  United States
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Default Kicker cxa300.4 audio jack problem amp 2

I just recieved a kicker amplifier that doesnt play audio at all from the input jacks for amp 2 yet plays audio on all four from amp 1?
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Old 13th March 2019, 08:48 PM   #2
Crazylogix is offline Crazylogix  United States
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I know that on some kicker 4 channel amps (KX for sure), amp one and two share the RCA ground from the amp one inputs. You must have RCA's ran into amp one to get sound out of amp two. The RCA ground on amp two is just soldered to the board and not to the signal path. Check to see if that is what it is for this amp too.
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Old 13th March 2019, 08:50 PM   #3
rhempz01 is offline rhempz01  United States
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Yeah i remember that. This runs with amp 2 inputs are working as long as the fader switch is in the off position. Not sure if they are all like this or not.
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Old 14th March 2019, 01:32 AM   #4
PapaZBill is offline PapaZBill  United States
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Kicker no longer uses the shared ground system. Too many complaints and returned units.

If you haven't already check Amp 2's input RCA's for damage. Bad solder, open or cracked traces where RCA's mount to board.The fader switch may be open. One of these two seem the most likely.

Amp 1 and Amp 2 are divided between the main board(Amp 1) and the daughter board(Amp 2). Examine the header socket and daughter board.
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