9.2 channel AV Receiver with 125W per channel (8 ohms, 20Hz-20kHz, 0.05% THD)Built-in WiFi with 2.4GHz/5GHz dual band support; built-in BluetoothHEOS Wireless Music Streaming Technology with HEOS, Apple AirPlay 2 and Amazon Alexa voice compatibility.Now available – control with Amazon Alexa voice commands.