Preamp MP 3 Amplifier

Specification
Media Source : U disk, Bluetooth,FM
Bluetooth Password : 1688
MIC Input : MIC 1,2,3,4,5: 18mV/600 ohms, Unbalanced
AUX Input : AUX 1,2,3: 200mV/10k ohms, Unbalanced
EMC Input : EMC 1,2: 1.5V/10k ohms, Unbalanced
Tone : BASS:+10dB at 100Hz,TREBLE:+10dB at 10KHz
Frequency Response : 20Hz - 20KHz
S/N Ratio : MIC 1,2: 70dB; AUX 1,2,3:80dB
THD : Less than 0.1%
Muting Function : MIC 1 overrides other input signals with 0-30 dB
                                attenuation,EMC1,2 overrides all inputs except MIC1
LED Indicators : POWER, signal level 
Protection : AC fuse
Power Requirements : 100-240VAC 50/60Hz
Power Consumption : 50W
Dimensions (WxDxH) : 483(W)x366(D)x89(H)mm
Weight : 7.50kg