Yamaha RX-V581 7.2-Ch x 80 Watts Networking A/V Receiver, Works with Alexa Works with Alexa for voice control (Alexa device sold separately). Music Cast Wireless Multiroom Audio Bluetooth, Wi-Fi, Airplay and Spotify Connect and Pandora Dolby Atmos and DTS:X surround sound processing 7.2-channel powerful surround sound Zone B audio (mirrors the main zone)