SoundCraft GB4 User Manual page 29

STE1
L
LINE
R
MIC L
MIC R
GB4 User Guide
Rear Connectors
MIC INPUT LEFT and RIGHT (3 pin female XLR)
Pin 1 Ground
Pin 2 Signal Hot
Pin 3 Signal Cold
LINE INPUT LEFT and RIGHT (1/4" TRS Jacks)
Tip Signal Hot"
Ring Signal Cold"
Sleeve Ground"
29