SVS SB-4000 (Black Ash) Powered subwoofer with app control at Crutchfield
SVS sb-4000 unboxing Goodbye Klipsch r12sw WHATS IN THE BOX! 4K - YouTube
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