// Audio Connectors

MOTU 25-Pin Breakout

MOTU audio interfaces use DB25 connectors for 8-channel analog I/O following the Tascam wiring standard. A breakout cable splits the 25-pin connector to 8 individual XLR or TRS connectors.

// Specifications

Standard

Tascam DB25 wiring

Pin Count

Channels

8 in or 8 out balanced

Breakout

To 8x XLR or 8x TRS via cable

Use Case

MOTU 8pre, 828, audio interfaces

Note

Same wiring as standard Tascam DB25

// Pin Reference Table

Pin	Name	Function	Type
1	Ch1+	Channel 1 balanced positive	ADC
2	Ch1-	Channel 1 balanced negative	ADC
3	Ch2+	Channel 2 balanced positive	ADC
4	Ch2-	Channel 2 balanced negative	ADC
5	Ch3+	Channel 3 balanced positive	ADC
6	Ch3-	Channel 3 balanced negative	ADC
7	Ch4+	Channel 4 balanced positive	ADC
8	Ch4-	Channel 4 balanced negative	ADC
9	Ch5+	Channel 5 balanced positive	ADC
10	Ch5-	Channel 5 balanced negative	ADC
11	Ch6+	Channel 6 balanced positive	ADC
12	Ch6-	Channel 6 balanced negative	ADC
13	Ch7+	Channel 7 balanced positive	ADC
14	Ch7-	Channel 7 balanced negative	ADC
15	Ch8+	Channel 8 balanced positive	ADC
16	Ch8-	Channel 8 balanced negative	ADC
17-25	GND	Ground lines	GND