Head unit discussion

mlsully

I bought a PAC ground loop isolator that’s for the RCA connectors, but never got around to installing it. Came with my first Crutchfield order today. I’ve seen on a few other forums that says it helps. When I was running off the factory bose amp, I didn’t have much noise but then again at full volume it was like 1/3 the volume of the stock radio. Once I installed an amp for my fronts is when the noise was amplified. Had perfect grounds, good RCA cables, etc. From what I heard it’s the 3.5 jack that causes the noise. You may be able to go USB audio out and have better luck. I’m going to try that with the headunit I’m putting in tomorrow.

You’ll need 3.5 to RCA cables, and then a Y splitter off those if you’re running into 2 separate amps. If you have a 4/5 channel then you may get away without having to split the signal a second time and just run 1 RCA to your amp. You’ll also the 3.5 to be a 90 degree jack, otherwise you’ll have to trim the plastics.

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