120v inverter that doesn't introduce noise?

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catch22atplay
catch22atplay Posts: 130
edited May 2010 in Car Audio & Electronics
I've tried 4 different brands so far. All of them introduce a lot of noise when my laptop is plugged into it and my head unit's aux in. My other devices plugged into the HU don't do this. But only the laptop uses the inverter. I'm not actually sure if it's the inverter or the laptop tbh.

So wondering if anyone knows a brand and or model # of inverter that puts out clean power.
Dodge Ram 1500 SLT Quad Cab 2007
Pioneer DEX-P99RS, IPOD Touch 64gb, Rockford Fosgate T1000-4, T600-2 & T1500-1bd CP
Polk Audio SR speakers, 6.5's, 5.25's, SR tweets and 2 SR124-DVC subs in 1.57cu ft sealed enclosures