QSC KS118 3,600W 18" Powered Subwoofer | Guitar Center
SVS SoundPath Subwoofer Isolation System | Fix subwoofer rattle and improve bass
One unit (not pair) |15 Inch Woofer for Bass Compensation of Open Baffle or Cabinet | W-15 - Lii Song (Lii Audio), unique speaker, amplfier, quality and cost-saving parts for HiFi DIY