User’s
Guide
31
Connectors
XLR Connectors
The inputs on the XD-2 accept 3-pin male XLR connectors, typically used for microphone cables. A
balanced XLR connector uses a three-conductor shielded cable and is wired according to the AES
(Audio Engineering Society) standard, as follows:
XLR
Hot (+)
Pin 2
Cold (–)
Pin 3
Shield (Gnd)
Pin 1
1/4" TRS Connectors
The "combo" inputs on the XD-2 also accept balanced 1/4" TRS male phone plugs, typical for line-
level outputs such as from a keyboard or mixer. TRS stands for Tip-Ring-Sleeve, the three connection
points available on a balanced 1/4" phone jack or plug. They use three-conductor shielded cable and
are wired as follows:
TRS
Hot
(+)
Tip
Cold
(–)
Ring
Shield
(Gnd)
Sleeve
Balanced XLR Connector
2
2
3
1
1
SHIELD
COLD
HOT
SHIELD
COLD
HOT
3
SHIELD
COLD
HOT
3
2
1
Balanced 1/4" TRS Connector
SLEEVE
TIP
SLEEVE
TIP
RING
RING
TIP
SLEEVE
RING
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