Yamaha AVENTAGE RX-A3050 9.2-Channel Network AV Receiver + (1) Klipsch Reference R-112SW 12-Inch 600-Watt Powered Subwoofer This Package includes (1) Yamaha RX-A3050 Receiver + (1) Klipsch R-112SW Powered Subwoofer 4K Ultra HD video upscaling with HDCP 2.2 support Dolby Atmos (Up to 7.1.4-ch) 11.2-ch expandability (with 2-ch amplifier) Built-in Wi-Fi, Bluetooth, Airplay, Spotify Connect