Sony SA-SW5 Wireless Powered Subwoofer for select Sony Sound Bars and A/V Receivers Power up your home theater system with the booming bass of the SA-SW5 wireless subwoofer, designed to pair seamlessly with your BRAVIA THEATER (BAR 9, BAR 8, QUAD), HT-A9/A7000/A5000/A3000/S2000 soundbars, and STR-AN1000 AV Receiver to deliver an immersive cinematic experience. A simple wireless setup adds powerful bass to all of your favorite content for an authentic home cinema feel. Product Highlights: Wireless powered subwoofer for select Sony sound bars and receivers (sold separately) works with compatible Sony A/V receivers works with BRAVIA Theater Quad and HT-A9 speaker systems works with BRAVIA Bar 9, BRAVIA Bar 8, HT-A7000 and HT-A5000, HT-A3000, and HT-S2000 sound bars not compatible with other sound bars 300-watt built-in amplifier with Sigma Magnetic Circuit for powerful bass 7" woofer with down-firing passive radiator Separated Notch Edge technology mitigates stress on the sub's diaphragm