2.1 channel system Enjoy a dynamic home audio experience with 2.1 channel surround sound. Wireless active subwoofer Feel the action of your favorite movies, shows, and sports with dynamic, powerful bass. Dolby digital 2 channel Advanced audio processing adapts digital theater system sound to your stereo system, creating a truly cinematic digital audio experience. Surround sound expansion Experience the full power and depth of your favorite movies and tv shows with a wholly optimized audio experience. Hdmi Enjoy your favorite movies, shows, and sports with higher quality audio. The hdmi connection transmits digital video and audio over a single cable, delivering a superior entertainment experience. Bluetooth Connect wirelessly for one-touch control of your soundbar from bluetooth -compatible devices. Simply select the soundbar for pairing and power it on automatically to play all your favorite music services and more. One remote compatible Spend less time switching between remote controls. Your 2017 Samsung tv remote now manages many of the soundbar's home theater functions.