public address amplifier * double 10 way EQ *with display screen Type EQ-40-2Mian channe150w+150waudio input2 waySurround channel150WInput sensitinity20mvFrequency response20Hz-20KHz±5dBSingal to noise ratio76dBPower supportAC 220-240V/50Hz-60HzPlanescrub/smooth planeColorblackPacking dimensions5pcs/carton 520×285×395mm Welcome OEM/ODM coorperation.