ItemNo.: PA-250（Public   Address System）
Minimum Order Quantity: 200 Pieces
Power Supply: AC220V/50Hz    
RMS Power: 150W/4 Ohm
IC/Transistor/Tube: 2SC5200/2SA1943*2
Capacitance Electrolysis: 4700U/63V*2   
Transformer: Round Aluminum
Specification:
    1.Input Sensitivity（Music280mV/MIC15mV）
    2.Frequency Response（80-16KHz±2dB）
    3.Noise Ratio（69dB）
    4.Intrusion（1%）
Net Weight: 9.2Kg   
Size: 485*347*90mm
Packing: Poly Bag+Foam+Brown Box
Function: Double Decoding, Bluetooth 4.0, with MIC input, with relay protection, Fan inside, LED screen, 4 areas constant pressure output