Sound Quality - BRAVIA Theatre Quad delivers the ultimate surround sound experience, as our 360 Spatial Sound Mapping technology creates phantom speakers all around you. Dolby Atmos / DTS:X bring authentic cinema sound home. Versatile Positioning - No need to rearrange your furniture - dual microphones inside each speaker measure their relative height and position to generate twelve phantom speakers that encircle your room in immersive sound. TV & Soundbar - Unlock exclusive features when connected to a BRAVIA TV as Acoustic Centre Sync turns your TV into the centre speaker for ultimate synchronicity, Voice Zoom 3 enhances dialogue, and more. Acoustic Design - Designed for a truly powerful audio experience, up-firing speakers reflect sound off your ceiling for overhead sound, whilst X-Balanced Speaker Units deliver deep, punchy bass, with minimal distortion. UX - Ready to go straight out of the box, simply plug it in, connect to your TV (HDMI eARC cable included), and power ON! Use the Sony | BRAVIA Connect app to take control from your smartphone.