Enjoy 11.1.4 Ch full cinematic surround sound experience with soundbar's 11 channels, 1 subwoofer channel, and 4 up firing channels enveloping you in immersive sound. An 8 inch dual active units applied compact subwoofer delivers powerful bass with AI based non linear control technology that controls the bass output with precision. With wireless up firing rear speakers included, sound wraps around and above you by reflecting sound off the ceiling, delivering breathtaking overhead audio for the ultimate theater sound quality right in your home. Engineered for maximum sound immersion, this soundbar has 3 types of speakers – front-firing ①, side-firing ②, up-firing ③ – built strategically into the frame. It also includes a separate subwoofer with dual 8" units ④ and a rear speaker. Object-based audio format Dolby Atmos is now incorporated wirelessly with the Samsung Soundbar. Experience the ultimate 3D sound from Dolby Atmos content, including movie and music, without HDMI cables Q-Symphony provides all-channel optimized sound from AI technology that separates voices and background sounds from original audio input and remasters sound objects for more immersive sound experience. Enjoy stunning sound that’s tuned into your interior conditions. SpaceFit Sound Pro fuses the heightened clarity and immersive audio of SpaceFit Sound with optimized bass. Now you can enjoy the most ideal sound in any space or environment