The Polk Audio Blackstone TL1600 is a 5.1 channel speaker system that lets you enjoy songs and videos with a virtual surround effect hitherto unheard of. This Polk Audio speaker system employs the Time Lens technology optimizes the frequencies and provides you with a detailed audio output. The 0.5-inch silk dome tweeters of the Polk Audio Blackstone TL1600 diffuse the sound effectively, letting you experience an enthralling sound effect even if you are at a considerable distance. The 8-inch down-firing woofer in this 5.1 channel speaker system provides you with rich and powerful base effect. You can connect this Polk Audio speaker system to a Blu-ray player and enjoy HD sounds.