820W Output power Built-in Dolby Atmos and DTS: X decoding With detachable, battery powered surround speakers you can enjoy real surround sound without the wires Experience deep bass with a 300W, 10″ powered subwoofer Ultra HD 4K Pass-through with Dolby Vision Connector Type: Optical Included Components: Main Soundbar, Detachable Wireless Surround Speakers (2), Wireless Subwoofer Remote Control, Power Cords, Hdmi Cable, (2)L-Shape Wall-Mount Bracket (Main Bar), (2) U-Shape Wall-Mount Bracket (For Surround Speakers), Kit With Screws Power Source Type: Corded Electric Wireless Communication Technology: Wi-Fi Use the built-in calibration to ensure the best possible sound no matter what the room