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 Subwoofer - Home Cinema Systems - Black Box Pro
SVS PB-4000 Subwoofer Measurements and Analysis | Audioholics