SVS - Middle port plugged for deepest low frequency extension possible. #svs #pb4000 #subwoofer #hometheater #soundrevolution | Facebook
SVS PB-4000 Piano Gloss Black Subwoofer - PB4000PG | Abt
SVS - Continuing its world tour of low frequency domination, the SVS SB-4000 subwoofer was reviewed by Homecinema Magazine, in the Netherlands, and left a surprising impression, “With the SB-4000 you get