How To Use a ZC-9 With a ZonePRO 640, 641, 640m and 641m
Frequently Asked Questions
Written by Carlos Mendoza
Updated at August 19th, 2026
Table of Contents
Brand:
- dbx
Models:
- ZonePRO 640
- ZonePRO 641
- ZonePRO 640m
- ZonePRO 641m
How To Use a ZC-9 With a ZonePRO 640, 641, 640m and 641m
- Select a ZC-4 in the position (ID #) where the ZC-9 will be used.

- In the Edit window assign which position will select which source. Not all of the binary positions will work. Below shows which binary positions work and which position on the ZC-9 they correspond to.
ZC-4 Setting

This screenshot shows another way of looking at which rotary position corresponds to which binary position.

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