This 5.1-channel speaker package from Infinity has everything you need for realistic surround sound, deep, powerful bass, and crisp dialogue reproduction. You get four 2-way satellites each with a 2.5 midrange and 0.50 tweeter; a 2-way center channel with dual 2.5 midranges a 0.75 tweeter; and a 8, 100-watt powered subwoofer.