I have recently had some focal speakers, sub and amp put into my car (leaving the RNS510 head unit in) but now I have a strange issue.. On acceleration, and louder the more the engine revs, I have a kind of high pitch noise coming through the tweeters.
Even if I turn off the car stereo (amp is obviously still on) it happens..
Anyone know what causes this?
Even if I turn off the car stereo (amp is obviously still on) it happens..
Anyone know what causes this?
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