Loudspeaker Specification: Model: K.O.1000 Component: 12" woofer + 3"Hi *4 Impedance: 8 ¦¸ Power: 275W RMS Sensitivity: 98¡À3dB Fo: 48HZ Frequency response: fo-20KHz Weight: 18.1kgs/pcs Input connector: SPEAKON Application: suspend,KTV, Club. Stage, DJ, Stageoutside, Etc Contact person: Stephy MSN: nasnaudio@hotmail.com SKYPE:nasnaudio Web:www.nasn.net.cn Factory add:HuaXing Industrial Park,HuaDu District,GuangZhou,China