Dolby Audio Enjoy dramatic, high-quality surround sound from 5.1 separate audio channels with Dolby Digital 5.1ch Surround Sound 5.1 channels of real surround sound. Rear speakers and an external subwoofer work with a 3-ch soundbar to deliver dynamic, immersive, cinematic sound. Power Output 400W power output puts you right at the heart of action Bluetooth Connectivity Easily play your favourite content via bluetooth connectivity USB Playback Use the USB port to plug and play music from a memory stick with ease