Audio Developments AD114 - Manual (Page 14)

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A three-position rocker switch BATT/EXT selects either internal batteries or an
external DC source. Power to the mixer is confirmed by the MIX ON LED on the
power module.
External powering of the mixer is via a 4-pin XLR (3).
XLR Pin 1 OV
Pin 3 NC
Pin 2 NC Pin 4 9V - 15V DC
A suitable external power supply is Audio Developments’ AD100-15, but any external
DC source must be capable of delivering 600mA at 12V.