amplifier power suppplier, amplifier module,large power amplifier module,power amplifier,professional amplifier,audio amplifier Digital amplifier module*100Wx2 amplifier with power supplier module*each channel Output 100W RMS for 4 Ω load*input voltage:220V*size:115x240x38mm*S/N: 85DB*frequency response range: 6HZ--20KHZ*No relay start up protection ,avoid the relay mechanism failure possible