Key Features :
Portable AmplifierWooden/ABSTexture/PaintTransformer:Copper Wire and best grade core.Capacitors,and other component are tested & certified by best quality engineer team.Rechargeable,Portable,USB,Echo,Fm,Wireless Microphone.1Mic & 1 Aux I/PReceiverAudio output Power: 80W(max)S/N Ratio: 80dbFrequency Response: 50Hz-20KHzSpeaker: 4Ohm,8"Power:AC-220-240V,50/60Hz, DC 12VFrequency Response: VHF 180Hz-27MhzBuilt in DC 12V2,2AH Rechargable BatteryOperation Rnge: 70m(in dia)Receiver Type:FMSize:285x167362mmTRANSMITTERFreq.Stability:0.005% Quartz crystal LockedSubharmonic:Less than 40dbTransmitter Power:10mVPower Supply: DC 9VConsume Power:30mA4 Hours long lasting working.Low Current Consumption for long battery life.