The Samsung HW-J650 320W 4.1-Channel Soundbar Speaker System packs a multiple speaker array into a single cabinet. This 4.1-channel soundbar system delivers up to 320W of total power and also includes an external active wireless subwoofer for added low-frequency impact. Bluetooth is built into the soundbar for wireless audio streaming from devices like MP3 players, smartphones, and tablets. Additionally, this soundbar allows you to enjoy Dolby Digital 5.1 and DTS 2-channel audio.