Small and compact design, built-in USB,SD,FM tuner, Bluetooth and 2 external AUX inputs as audio sources; Pure copper transformer drives strong power RMS 30W, max power at 100W; 4-16 ohm, 70V, 100V speaker output; Treble, bass, inputs and master volume control; High quality copper transformer ensures best sound performance;Shortcircuit, over heat, over load protection;AC 220-240V / 110-120V and DC24V input power supply; Remote controller Specification Model No. PMS-130D Power 30W, max to 100W power Speaker Outputs 4-16Ω, 70V, 100V Input Sensitivity Mic: 5mV/600Ω unbalanced XLR jack input | AUX:350mV/10KΩ RCA input Output Sensitivity & Impedance 1000mV/470Ω, Unbalanced RCA output Frequency Response 60-20KHz S/N Ratio Mic: 66 dB | AUX: 80 dB THD < 1% at 1KHz, 1/3 rated power Audio Source MP3 (USB/SD), Tuner, Bluetooth, AUX/ XLR MIC input x 2 Protection High temperature, overload & short circuit Power Supply 220V~240V 50/60Hz or 110V / DC 24V supply Material & Finish Aluminum front panel, metal case Dimension 220 x 205 x 70 mm Weight 4.6 kg