Samsung Q-Series HW-Q990H delivers immersive 11.1.4-channel home theatre sound with 23 speakers, a wireless subwoofer and included wireless rear speakers. Features Dolby Atmos, Q-Symphony, SpaceFit Sound Pro, AI Dynamic Bass Control, Wireless Dolby Atmos, HDMI eARC and up to 4K 120Hz video passthrough with HDR10+.