New SVS SB-4000 delivered. Massive, clean bass. Went from cheap Pioneer Andrew Jones ported sub to the SVS latest and greatest sealed subwoofer. : r/hometheater
SVS SB-4000 Subwoofer | The Sound Counsel - Specialist Advice
SVS PB-4000 Ported Subwoofer Review | Audioholics
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
SVS - In the recent issue of Germany's most widely read AV magazine, AUDIO, the SVS SB16-Ultra and SB-4000 both reigned supreme in a shootout against all of the other brands available
SVS SB-4000 powered subwoofer (Pre-owned) - Norman Audio