4 Switches  for

1. Clean /Dirty switch with POT on board to control the level of Dirty/Clean

2. Grornd/Lift  to disconnect output ground

3. -20dB/-40dB switch

4. Filter(FT)/ Full  switch to reject high frequency

Input types

1. Input for Guitar

2. Power amp in

3. Power amp out

4. Line out

PCB size : 8cm x 10cm

comes with the schematic / diagram

[ We sale only the board as in the photo ]