Just put this puppy in, and I'm finding that having one RCA cable plugged in is much louder than having 2 plugged in. I'm pretty new to this so any advice is
Subwoofer Cable vs RCA Cable: Which One? — Theirishcurse.com
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Straight Wire Symphony II Single RCA to Dual RCA Subwoofer Cable 2.0m - Walmart.com