Concerning this item With the help of Dolby Digital technology and 735W of audio power output, the soundbar, subwoofer, and rear speakers produce authentic surround sound that puts you in the middle of all your favorite movies. Movies will have the soundtrack they deserve with 5.1 channels of true surround sound. Together, the external subwoofer, rear speakers, and soundbar produce strong, cinematic sound. You can hear and feel the action taking place all around you as the sound envelops you and draws you into the film. Movies, TV series, and your favorite music can all be played on your soundbar.