“It wasn't all that long ago that I never even considered a subwoofer. But I now own two of them (actually three, not sure quite what to do with my old BIC). This is not really a full subjective review. This will be a fairly quick synopsis (quick for me, at least) of my impressions of my newest subwoofer, the PSA XS30, and how it compares to my SVS SB13-Ultra that I auditioned almost four...” --dsrussell
This is a high quality Boston Tvee Model Two Replacement Subwoofer. It features 7" Woofer, and Adjustable Volume.