Denon SYS-76HT 7.1 Surround Speaker System The acoustically matched, European-tuned, magnetically shielded speakers bring the most out of movie soundtracks and your favorite music. The center channel speaker features a 2-way design with dual 3.6-inch mid-bass drivers and an efficient tweeter. The other four satellite speakers use similar drive units, but with only a single midrage and tweeter complement. The 100-watt subwoofer features an 8-inch woofer to optimize low frequency sounds. Satellite speakers SC-A76 2-Way Poly-carbonate housing x 4 Center speaker SC-C76 2-Way(3 speaker) Poly-carbonate housing Active Subwoofer DSW-76 (8” 100 W) Satellite speakers feature a Closed box design All Satellite speakers feature a 1.9cm soft dome tweeter Power handling is from 40 W – 100 W Subwoofer features a LF Direct / Off switch Crossover adjustment control Phase selector switch