feature | 5.1 - Channel AV receiver with Dolby Audio and DTS-HD Support & Zone B | 115 W (8 ohms, 0.9% THD)Wi-Fi, Bluetooth, FM & Radio, USB, AirPlay, Spotify Connect and MusicCast multi-room | Pandora, Spotify, SiriusXM Internet Radio, TIDAL, Deezer, Napster and moreHDMI with HDCP 2.2 (4 in/1 out) | 4K Ultra HD, HDR10, Dolby Vision, Hybrid Log-Gamma and BT.2020Voice control using your Alexa device like Echo or Echo Dot. | MusicCast Surround capable: add MusicCast 20 or MusicCast 50 speakers to create a 5 |