This is the Class G 300 watt MOSFET Power amplifier circuit with PCB MOSFET. It have more feature, maximum RMS output power: 200 watts at load 8 ohms or 360 watts at the load 4 ohms.
It will prevent the speaker from too over high power output may speaker damaged it use transistor and relay cut off as safe.
It is guitar amplifier circuit diagram with pcb layout. Power output at 200 watt in super bridge model so help to you have a high quality circuit in cheap. [...]
High power mosfet amplifier circuit ideas, the sound is very aggressive, as compared to transistors and ICs,can be low-high-frequency response,
2 Circuits of High power transistor amplifier circuits, 200 watts and 300 watts RMS