Samsung 2.1 Channel 120 Watts Home Theater Soundbar System with 60 Watt Subwoofer, Bluetooth, Soundshare, Smart On, Smart Volume, 6 DSP Settings, 3D Sound Plus, Crystal Sound Pro, USB Host, Black Finish 120-watt 2.1 Channel Surround Sound - is delivered with unique 3D audio depth (30 watts x 2 with 60 watt woofer) SoundShare - Simplify the installation of your soundbar by eliminating the need to have a wired connection between the TV and soundbar. Simply plug the main bar into AC power and follow the simple directions to wirelessly connect your soundbar to select Samsung TVs with Bluetooth compatibility 3D Sound Plus - Complement the images you see on screen with the full sound of 3D Sound Plus. By analyzing the depth of the 3D image, 3D Sound Plus synchronizes the sound to match the motion and depth of the image. Now you can enjoy a fully immersive 3D experience 6 settings - deliver optimal sound quality according to the content of the video. Settings are Movie, Game, Drama, Music, News and Sports Smart Volume - which is an active audio monitoring system that prevents spikes in volume when TV channels or radio stations are changed. This not only protects the listeners ears but also the soundbars speakers, thereby ensuring extended usage of the device