5-channel powerful surround sound 70 W per Channel (8 ohms, 20 Hz-20 kHz, 0.09-Percent THD, 2-ch driven) Bluetooth In and Out for wireless music streaming HDMI (4 in / 1 out) 4K60p 4:4:4 / HDR (Dolby Vision / HLG / HDR10) YPAO sound optimization for automatic speaker setup Maximum Effective Output Power (1kHz, 1ch driven) (JEITA): 145 W (6 ohms, 10% THD); Standby Power Consumption (IR only): ≤ 0.2 W