Wireless subwoofer eliminates clutter on your media desk 200 watts of power provides a blood thumping bass with minimal distortion and improved clarity to make a stunning sound impact Pairs automatically with the HT-A9 home theatre system (sold separately), as well as the Bar 8 (HTA8000), Bar 9 (HTA9000), QUAD (HTA9M2), HTA3000, and HT-S2000 soundbars (sold separately) when powered on for an immersive theatrical experience Works with SA-RS3S and SARS5 rear speakers (sold separately) to boost the surround sound