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Benjamin FrankAug 4, 2025
What to do if noise disappears after unplugging RCA cables in Somogyi Car Amplifier?
- SstaceypattersonAug 4, 2025
If noise disappears after unplugging RCA cables, possible causes are a ground loop or bad ground contact at the head unit, equalizer, sound switch, or another device in the audio frequency chain. Check for a faulty circuit-breaker, old battery, bad ignition cables, or bad contacts.

