Volume Knob Blue/m-gray for Yamaha:
MW-12CX/MW-12C: AUX, RETURN AUX,SEND AUX, AUX1,AUX2,RETURN AUX1, SEND AUX1,SEND AUX2
MG-82CX/MG-102C: Volume Knob: AUX
MG-206CUSB / MG-206C: AUX1 PRE,AUX2,AUX3,AUX4
MG-166CX-USB/MG-166CX: AUX1 PRE,AUX2
MG-166C-USB/MG-166C: AUX1 PRE,AUX2MG-124CX: AUX, RETURN AUX, SEND AUX
MG-124C: AUX1, AUX2, RETURN AUX1, SEND AUX1
Part No: WH493700