SVS on X: "Jr. basshead going "Super Saiyan" after experiencing force of dual PB-4000 subwoofers. #svs #pb4000 #subwoofer #bass #soundrevolution https://t.co/4I5VX83FDf" / X
SVS PB-4000
SVS - Middle port plugged for deepest low frequency extension possible. #svs #pb4000 #subwoofer #hometheater #soundrevolution | Facebook
SVS PB-4000 DO YOU REALLY NEED DUAL SUBWOOFERS?!? - YouTube
SVS PB-4000 Subwoofer | The Sound Counsel - Specialist Advice