Experience 5.1 home theatre sound with your games, music & movies Play all your favorite music direct from you USB (Universal Serial Bus) flash pen or SD card Each Speaker has a built-in high performance 8" speaker driver to give you clear & superior sound with a wider dynamic range & greater output capability power, volume & bass controls are on the subwoofer. Features 5.1 surround speaker set including subwoofer with a total RMS 125W Slim design subwoofer with bass reflex port for full & rich sound with powerful bass Easily accessible volume control at the front of the subwoofer Extra bass control at the back of the subwoofer Specifications: Driver unit: 3" X2 /8 ohm front 3" X2 /8 ohm Center 3" X2 /8 ohm rear 8" /8 ohm woofer Power Ouput: 15W+15W front 15W Center 15W+15W rear 50W woofer Frequency Response: 20 Hz-20 K Hz SN Ratio: >75d B Impedance: Input 10K& Ugrave; Sensitivity: 500m V Input & Output: 2 x analog audio input AUX / DVD 2 x 6.3 MICROPHONE IN 5 x satellite OUT