Remote control motorize volume board using 4 gang volume pot, can config as 3 channel single end input with one balance channel or 4 single end channels selected by relay, on board regulate supply so only need a 9 or 12V ac power transformer (not included)
Can also control the input by a rotary encoder
100K Alps motorized pot
board size: L 120mm X W 55mm

Kits include:

one pcs of mian pcb, one relay board, IR receiver, one rotary encoder and one remote handset