hiss

Car: 2019 Camry XSE 8” display, Non-JBL Speakers: Front - JBL Club 602CTP. Rear - JBL Club 620F Amp: Infinity Reference 3004A Subs: Skar SDR 2x10 Amp: Skar 1500 watt mono I have a white noise/hiss coming from the tweeters of my component system. The noise is there when the radio turns on. If...

Alright, so I’m having engine noise and static in the speakers. Here’s what I’ve done to attempt to fix it so far: 1. Power and ground straight from battery to head unit (grounded from back of head unit to battery negative) 2. Grounded rcas to back of head unit. 3. Checked grounds, all...