3.1 channel sound bar features Sony’s Vertical Surround Engine and S-Force PRO front surround sound to deliver high-quality audio and an upscaled cinematic surround sound experience Bluetooth connectivity lets you pair your sound bar effortlessly to your TV and other compatible devices Designed for the Sony ecosystem, this sound bar is compatible with Sony SA-SW3, SA-SW5 subwoofers and, SA-RS3S rear speakers and integrates fully with BRAVIA XR TVs Enjoy dimensional sound from Sony’s new up mixer Integrated UI and sound bar position flexibility with Sony TVs provide ease of use