2Channel Amplifier With MOSFET Power SupplyPower OutputRMS Power50W×2@4ohmRMS Bridged Power 130W×1@4ohmTHD<0.2%S/N RATIO>85dBLow Pass30Hz-250HzHigh Pass Frequency:50Hz-1KHzBass Boost Center Frequency 45HzBass Boost :6dBThermal,Overload,Short ProtectionGold Plated RCA &Speaker TerminalsDimensions(L×W×H)259×314×54mm