2.1-Channel Soundbar with Dolby 5.1 elevates your experience with virtual, 3D surround sound. Virtual 3D sound moves all around you, including from above. Wireless subwoofer enhances your sound experience with powerful bass. Bass Boost gives your bass an instant boost with the push of a button on the soundbar. Adaptive Sound Lite enhances whatever you're watching to let you enjoy optimized sound for your favorite content. Bluetooth connectivity lets you easily connect your soundbar to your TV or mobile device without any wires. Game Mode boosts your gaming experience with perfectly synced directional audio that moves with the on-screen action and crosstalk cancellation that minimizes distractions. Wireless, surround-sound compatibility turns your soundbar into a complete, surround-sound system with optional rear Samsung speakers (not included) in a few simple steps without the mess of wires.