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Old 06-29-2022, 09:12 PM
Bmwe5320023.0 Bmwe5320023.0 is offline
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Quote:
Originally Posted by wpoll View Post
Might be worth testing to see if the whine is in the audio leaving the source (H/U)....

And/or try powering the amp from a separate (spare) car battery, just as a test.
It's my second head unit.
I can try powering the amp with another battery, though I don't have one, but this is my 3rd amp
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