Alto BK 2.0 User Manual page 13

a. Wiring Configuration
Both types of connectors available on BK 2.0 can be wired in balanced and unbalanced modes.
Please see following drawing for details:
For 1/4" TRS jack
For XLR connector
XLR Unbalanced input
b. In Line Connection
Please see following drawing for details.
Balanced
TIP RING SLEEVE
Unbalanced
TIP RING SLEEVE
TIP RING SLEEVE
TIP SLEEVE
TIP SLEEVE
TIP RING SLEEVE
TIP SLEEVE
TIP RING SLEEVE
1/4"TRS jack
Unbalanced input
SLEEVE RING TIP
SLEEVE TIP
SLEEVE RING TIP
1/4"TRS jack
Balanced input
XLR Balanced input
Tip
Ring
Sleeve
1
2
3
Tip
Ring
Sleeve
Tip
Ring
Sleeve
Tip
Sleeve
1
2
3
Tip
Sleeve
Tip
Ring
Sleeve
Tip
Sleeve
Tip
Ring
Sleeve
1
2
3
12
Tip
Ring
Sleeve
1
2
3
1
2
3
1
2
3
1
2
3
Centre
Screen
Tip
Sleeve
Tip
Ring
Sleeve
Centre
Screen
Centre
Screen
1
2
3