External filter box wiring inside the MB6582

This pic shows the wiring inside the MB6582 for an external filter box, attached to the main unit with the extension port. The wires provide:

1) +12VDC

2) -12VDC

3) CORE4_J6 (5 pins, including +5 & GND)

4) CORE4_J5 (1 pin for digital switch)

5) Left & right audio send (from CORE4 SIDS)

6) Left & right audio return