made in ChinaBrand: TANBXSpeaker unit size: 260 (mm)3C certificate number: cccMaximum power: 150wFrequency Response Range: 35-45khzDistortion: 1%Model:TB1020 made in ChinaBrand: TANBXSpeaker unit size: 260 (mm)3C certificate number: cccMaximum power: 150wFrequency Response Range: 35-45khzDistortion: 1%Model:TB1020