Key Features by Order AV - Q990C • Experience the ultimate 3D sound with the world’s first Wireless Dolby Atmos surround sound • Unrivalled true 11.1.4ch surround sound that envelopes you for a truly immersive experience • Enjoy breathtaking overhead audio for the ultimate theatre sound quality with up -firing rear speakers • Enjoy sound through your TV speakers & Soundbar working in harmony with Q -Symphony • Experience sound optimised for any room in your home with SpaceFit Sound Pro