9.2-channel AVENTAGE model with superior three-dimensional sound field playback & the latest, most advanced Surround:AI features. * 9-channel powerful surround sound * --- 140 W per channel (8 ohms, 20 Hz-20 k Hz, 0.06% THD, 2-ch driven) * --- 220 W per channel (8 ohms, 1 k Hz, 10% THD, 1-ch driven) * --- 220 W per channel (4 ohms, 1 k Hz, 0.9% THD, 1-ch driven) * Surround:AI automatically optimises the surround effect in real time * Dolby Atmos® & DTS:X™ with CINEMA DSP HD3 * YPAO™-R.S.C. with 3D, multi-point measurement & precision EQ * Ability to add wireless surround speaker/s* (* Music Cast 20 or Music Cast 50) * Amazon Alexa voice control compatibility* (* Availability varies by region) * Highly rigid construction including Anti Resonance Technology (A.R.T.) Wedgeã&128;&128; * High quality parts for optimum performance * Professional quality digital audio by ESS DAC * Music Cast multi-room technology * Music streaming services built-in * HDMI® (7 in / 3 out) with Dolby Vision™ & Hybrid Log-Gamma * Phono input for vinyl playback