Up to 14 input and output channels can be tested using the FX100 internal modules alone.
![FX100 Multichannel Mixer Setup](/portals/0/pic/en/FX100-Configuration-Multichannel-Mixer.png)
With up to 8 external switcher modules daisy-chained together, and each module capable of handling 10 channels, the testing capabilities of the FX100 are extended to 80 Input and Output channels.
![FX100 Large Multichannel Mixer Setup](/portals/0/pic/en/FX100-Configuration-Large-Multichannel-Mixer.png)