Sony SA-VE367T 7.1-Channel Surround Speaker System (Discontinued by Manufacturer) 7.1-channel surround-sound speaker system with 5 satellite speakers and a powered subwoofer 135-watt subwoofer with 8-inch driver, RCA input, and high-level speaker inputs 2-way satellites with 3.5-inch woofers and .5-inch tweeters Matched speakers provide superb blending for a seamless soundstage with speaker-to-speaker accuracy Satellites: 4.4 x 5.9 x 5.19; center speaker: 7.8 x 4.4 x 4.52; subwoofer 11.41 x 15.7 x 16.7 inches (W x H x D)