Concerning this item [Authentic Surround Sound Dolby Atmos] Immerse yourself in 3D sound that is on par with a theater. The JBL Bar 800 produces authentic Dolby Atmos 3D surround sound with two upfiring drivers. Detachable surround speakers and real surround sound Without having to deal with additional cables and power connections, enjoy true surround sound. You can immerse yourself in breathtaking audio by simply positioning the two detachable, battery-operated surround speakers behind you. [Wireless Subwoofer, 10"] A powerful 10" wireless subwoofer's thrilling, accurate bass adds emotion to your music and excitement to your action films. [Technology for Enhancing PureVoice Dialogue] Even when the surround effects are at their best, PureVoice technology makes sure you never miss a word of conversation by optimizing voice clarity using our special algorithm. [Output: 720W]