With 4 channels this Dolby & DTS LG Soundbar delivers a big audio punch, Includes rear speakers that are completely wireless and deliver an immersive audio experience, This soundbar features LG new crest design that gives the soundbar a sleek and stylish look, Leverage all speakers and create a wider soundstage to fill your room, Control your soundbar and your LG TV with one remote, Hear clear conversations in movies and shows with Clear Voice Plus, Customize the 3-band equalizer settings of your soundbar in a few simple steps, Home Theater surround sound, complete with subwoofer and rear speakers | LG S40TR Home Theater Soundbar with Dolby® and Rear Speakers, 4.1. channel, Mirror Black