1,stage Speaker 2,MIC input, USB/SD input,FM RADIO 3,colorful lighting disco 4.EQ,Treble,Bass,Echo model numberSS-006SS-008SS-010Power/RMS25W45W55WSpeaker unit6"8"10"impedance4Ω4Ω4Ωfrequency response20Hz-20KHz20Hz-20KHz20Hz-20KHzS/N Ratio≥72dB≥72dB≥72dBdimention/mm225×200×450 300x240x500 490×310×515Colorpicture or otherpicture or otherpicture or otherpackingcolor boxcolor boxcarton boxfunctionUSB ...