4. REAR PANEL
1. AC Power socket
AC power input for 110‐240 Vac. Power voltage is auto‐switching.
2. LIFT‐GND switch
Used to link or unlink GND and frame / earth.
3. Speaker outputs
100 V, 70 V and 4 Ω speaker outputs.
4. SD card message player
MicroSD card used to store pre‐recorded message files. Keep the contact closed to play the
messages.
5. CH3 RCA LINE audio input
6. CH2 block terminals MIC/LINE input
Audio level selectable with a switch: LINE, MIC or MIC+PHANTOM.
7. CH1 block terminals MIC/LINE input with VOX control
Audio level LINE, MIC or MIC+PHANTOM selectable with the switch. Adjustable VOX level, turn
VOX LEVEL clockwise to make CH1 to cut other inputs or counter clockwise to mix with them.
MA-30M / MA-60M Version 1.0
MA-30M / MA-60M
AMPLIFIER
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