MonoAmplifier With MOSFET Power Supply Power Output RMS power 250Wx1@4 ohmRMS power 350Wx1@2 ohmTHD<0.2% S/N RATIO>85dB low pass frequency:40Hz--250Hzbass boost center frequency:45Hzbass boost:0-12dBbass remote controlThermal,Overload,Short Protection NicklePlated RCA &Speaker Terminals Dimensions(L×W×H)295×272×50mm