Type: 5.1 Home Theatre System Includes: 4 x Micro 3001 with brackets, 1 x Micro 3002 with bracket 1 x Micro Sub 100 watt powered subwoofer : Front firing powered subwoofer ,vented, Driver Size: 1 x 8'' high excursion subwoofer, Amplifier Class: Class AB, Amplifier Power: 100 W, Max SPL:109db,Dimensions (WxHxD):330mm x 330mm x 429mm, Weight: 11.7Kgs.