Achieve 4K Ultra HD pass-through with HDR and 3D support via HDMI with the Onkyo TX-SR373 5.2-Channel A/V Receiver. It produces up to 80W of power per discrete channel at 8 Ohms for room-filling sound. AccuEQ sound optimization will allow you to tailor the sound to your room's specific acoustics. Built-in Bluetooth connectivity lets you listen to music wirelessly from your favorite Bluetooth-capable devices. You can also attach a USB drive to the USB port on the front panel to play your stored audio files.