3.1.3 CH (CENTER UP-FIRING) 400W DOLBY ATMOS; DTS:X; HI-RES AUDIO; AI SOUND PRO TRIPLE LEVEL SPATIAL SOUND; SMART UP-MIXER HDMI 1 IN / 1 OUT (EARC) - VRR/ALLM/120HZ SUPPORT OPTICAL; WI-FI; BLUETOOTH 4K PASS THROUGH SOUNDBAR MODE CONTROL (BY TV GUI) TV SOUND MODE SHARE WOW ORCHESTRA; WOW INTERFACE