channels of high slew-rate amplification 80 W per channel (8 ohms, 0.06% THD, 20Hz-20kHz, 2ch driven) 5 pairs of speaker terminals which can accommodate 4mm banana plugs or bare wire Surround channel amplifiers can be reassigned to drive a second pair of speakers in Zone B or to bi-amp the main speakers Zone B speaker volume can be controlled independently of the main zone Front USB Port, Bluetooth, Wi-Fi® and AirPlay 2® Spotify Connect, Pandora, Amazon Music, SiriusXM, TIDAL, Deezer, Napster and more FM/AM tuner with 40 station preset memories 4K120AB and 8K60B HDMI with HDCP 2.3 and eARC (4 in/1 out) Dolby Vision™, Hybrid Log-Gamma and BT.2020 YPAO automatic room calibration MusicCast mobile app control Voice Control (Alexa, Google Assistant)