"This item is only PCB board "1 channel or modo, on PCB board shows the part number of each component, easy to assembly for people who like to build power amplifier by themselves.

This circuit uses all discrete components, no IC on board. Output stage use power mosfet J162 and K1058

 It requires dual power supply +49V and -49V

It comes with the schematic diagram.

PCB size = 2.9" x 3.97"