2CH Amplifier With MOSFET Power Supply Thermal, Overload, Short Protection 2CH   Amplifier With MOSFET Power Supply Power Output RMS power ohmmax power:150Wx2@4 ohmRMS bridged power ohmTHD<0.1% S/N RATIO>85dB efficiency:>65%low pass  frequency:50Hz--250Hzhigh pass frequency:50Hz--250HzThermal,Overload,Short Protection Nickle Plated RCA &Speaker Terminals Dimensions[LxWxH]:248x167x55mm

Boss Electronics 2CH MOSFET Amplifier