SVS na Twitteru: "Biggest SVS event ever at @nfmtweets tonight! Getting the dual PB-4000 subwoofer & Prime Speaker system warmed up. https://t.co/141vOAVJIF" / Twitter
SVS SB-4000 Subwoofer - HiFi Corner
SVS PB-4000 Ported Subwoofer Review | Audioholics
The Subwoofer SVS SB-4000 – now at HiFi im Hinterhof - HiFi & Friends