Fill the room with 3D sound with the B550 soundbar with Dolby Audio / DTS Virtual:X. With intelligent and dynamicspeakers, it's sure to make your movie-viewing more captivating. Whether you're playing games, watching sports, orkicking back with your favorite show, Adaptive Sound Lite enhances and optimizes your entertainment. Enjoy rich,powerful bass coming from the included subwoofer.* Dolby Audio / DTS Virtual:X: Enjoy your favorites in surround sound with Dolby Audio and DTS Virtual: X; Dolby technologies make subtle changes as you watch, adjusting volume and adding detail, while DTS Virtual: X expands your listening experience without extra speakers* BASS BOOST: Feel the rumble of distant thunder as your listening experience is taken to another level; Give your bass an instant boost with the push of a button* SUBWOOFER INCLUDED: Experience the intensity