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The microphone input of ZT-AP40 has three modes, and different modes use different connections, as
the picture below:
When the switch turns to “48V”, the MIC input will provide a 48V phantom power. This is usually used
for power supply for condenser microphone, Connection is:
“+” connects to positive, “
-
” connects to negative and “
╧
”
to ground.
Note
: In this mode, only condenser microphone can be connected with.
When the switch turns to “MIC”, the microphone input is used for connecting with dynamic
microphone. There are two different connections:
1)
Unbalanced connection:
“
╧
”
connects to ground, and
“
-
”
connects to signal.
“
╧
”
connects to ground, and
“
+
”
connects to signal.
2)
Balanced connection:
“+” connects to positive, “
-
” connects to negative and “
╧
”
connects to ground.
When the switch turns to “LINE”, the microphone input is used for connecting with normal audio or
wireless microphone output. There are two different connections:
1)
Unbalanced connection:
“
╧
”
connects to ground, and
“
-
”
connects to signal.
“
╧
”
connects to ground, and
“
+
”
connects to signal.
2)
Balanced connection:
“+” connects to positive, “
-
” connects to negative and “
╧
” connects to ground.
