Wireless connectivity allows for flexible placement anywhere in your room 300 watts of power provide a deep, powerful, room-filling bass you can feel with minimal distortion and improved clarity to make a stunning sound impact Pairs automatically with the HT-A9 home theatre system (sold separately), STR-AN1000 receiver (sold separately), as well as the S2000, A3000, Bar 8 (HTA8000), Bar 9 (HTA9000), QUAD (HTA9M2) soundbars (sold separately) when powered on for an immersive theatrical experience Works with SA-RS3S and SA-RS5S rear speakers (sold separately) to boost the surround sound