For those who need good audio protection this is the right choice.
Kit is built with high quality components such as Omron Relay and Uni ohm resistors, wima capacitors etc.
This kit do NOT include transformer. For transformer can be used any standard pcb transformer from 1.5VA 2x6V or similar which can fit . Input voltage were not critical
This protection is specially designed for mounting in DIY amplifiers. It has switch connector and output for main transformer .Separate fuses for main and for protection transformer. It has possibility for duo led for condition state , working led, and jumper for led brightness .
PCB is hasl 2oz