Model: HS-200R (2.1-ch multimedia) Total Power Output (P.M.P.O): 320W Main Channel(RMS): 10W*2+20W Impendence: 4 ohm Speakers (surround/woofer):3''*2+6.5'' full range Frequency response:30Hz~50KHz Input Sensitivity(2 channel): 288mV S/N:>85dB Separation:>58dB T.H.D:< 0.1% Control: Remote Control Subwoofer Display Weight:5.87kg Color:brown+silver We are professional manufacturer of Home Theater Systems, All kinds of Speakers and Subwoofer with over 8 years' experience in this industry. OEM and ODM are welcome. We can offer a wide selection of quality products for your market, and sufficient supplies and on-time delivery are guaranteed. - International standards met:UL, CE, Iso9002 etc. - Employees: 1000 - Total Investment: USD3million Website: Email: Contact:Susan Tel:86 755 8386 0055 Fax:86 755 8386 7258