5.1ch Surround Sound : 5.1 channels of real surround sound. Rear speakers and an external subwoofer work with a 3-ch soundbar to deliver dynamic, immersive, cinematic sound.
sony ht s20 5.1 channels of real surround sound. Sony home theatre S20r Rear speakers and an external sub woofer work with a 3-ch soundbar to deliver dynamic, immersive, cinematic sound.