Amp up your surround sound experience Beyond surround sound. These wireless rear speakers turn your soundbar into a powerhouse of fuller, richer audio. 360 Spatial Sound Mapping with compatible soundb follow every scene, enhancing your experience from every angle. A cinematic world of sound, right at home - Expand your senses. With 360 Spatial Sound Mapping, compatible soundbars create phantom spe the rooms boundaries, making each moment feel bigger and more dynamic Connect wirelessly - Simply power up the wireless rear speakers and set it up through the BRAVIA Connect App for a wireless con System or soundbarno need for cables..