Yamaha RX-A550 5.1-Channel MusicCast AV Receiver with Built-In Wi-Fi and Bluetooth (Black) 4K Ultra HD pass-through with HDCP 2.2 support Built-in Wi-Fi, Bluetooth, Airplay, Spotify Connect Pandora, vTuner, PC / NAS over DLNA High-resolution audio support (DSD, WAV, FLAC, AIFF, Apple Lossless) MusicCast wireless multiroom audio system