MIPRO Bodypack 4-pin Mini XLR Connection :

For 2 wires Condenser microphone ( such as : MU55; MU23; MU210)

• Pin 1: shield
• Pin 2: Audio (positive)
• Pin 3 & Pin4: Connect short together

For 3 wires Condenser microphone ( such as : MU53)

• Pin 1 & Pin 2: Shield
• Pin 3: Audio (positive)
• Pin 4: Negative (For Bias voltage)

For Dynamic microphone

• Pin 1 & Pin 2: Shield & negative connect short together
• Pin 3: Audio (positive)
• Pin 4: Open

For Guitars connect (6.3mm mono connector)

• Pin 1: Shield
• Pin 2: Open
• Pin 3: Audio(positive)
• Pin 4: Open

For Line in usage (6.3mm mono connector)

• Pin 1 & Pin 3: Shield
• Pin 2: Audio ( Positive)
• Pin 4: Open