Question about Power Acoustik CLASS D SL-5500D Car Audio Amplifier
Sounds like you have a strong signal from one set of rca wires. I would take the strong side and split that. it depends on where you getting sound signal for rca from. try adjust radio and amps. sometimes tuning is a pain. make sure grounds are good for both sides, bring somewhere someone can actually see what is going on.
Posted on Apr 24, 2009
It sounds like there is a difference in the signal levels on the inputs to the amps. You did not specify what the RCA's are connected to on the head unit side. If they are connected to a stereo pair of preamp outputs, you may be able to solve the problem by using only the channel with the higher signal and use an RCA "Y" adapter to split it to both amps. If they are connected to a dedicated subwoofer output on the head unit, make sure that the head unit is set for "subwoofer". Some less expensive head units, I know JVC in particular, has only 1 set of line outputs and requires you to go into their "PSM" (Preferred Setting Mode) to set the line output mode and if you select "subwoofer", then allows you to select the low pass frequency.
If you are converting speaker-level outputs through a "line out converter", check both the input and output levels.
Also, if you are splitting an output from the head unit, you still need to connect 2 RCA's to the amp inputs. The signal will be properly split if you use a 1-female to 2-male "Y" adapter. To feed the same signal to both amps, you would need 3 "Y" adapters. Feed the output signal to the female end of the first "Y", and plug the male ends into the other 2 "Y" adapters. Then, the 4 plugs you have left on the ends go into your amp inputs.
Hope this helps.
Posted on Apr 24, 2009
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Posted on Jan 02, 2017
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