Acoustic Audio 1000W 7.1 Home Theater Surround Sound Speaker System & 8" Powered Sub 7.1 Home Theater Surround Sound Speaker System w/8" Powered Sub (6) 2-Way Surround Speakers, 2-Way Center Channel Speaker with Dual 3" Cone Woofers, & 8" Powered Subwoofer Recommended Speaker Power: (Satellites: 15 - 100 Watts Each, Center: 15 - 100 Watts) Powered Sub: 300 Watts Output Power Subwoofer Features: 300 Watt Integrated Amplifier, Down Firing 8" Woofer, Bottom Slot Port, Low/High Level Inputs, Auto-Sensing Signal On, Adjustable Gain and LP Crossover Speaker Features: Black Ash Woodgrain Veneer Finish, Digitally Tuned Sealed Cabinet Enclosure, Video Shielded, Quick Release Speaker Terminals, Acoustically Transparent Grills, Wall Mount Bracket, Impedance: 8 Ohm