2 CH Amplifier With MOSFET Power Supply Power OutputRMS Power60Wx2@4 ohmRMS power 90Wx2@2 ohmRMS bridged power 180Wx1@4 ohmTHD<0.2% S/N RATIO>85dB low pass/high pass frequency:40Hz--250HzBass Boost Center Frequency 45HzBass Boost :0-18dB Thermal,Overload,Short Protection NicklePlated RCA &Speaker Terminals Dimensions(L×W×H)330×265×60mm