What is your opinion of this product?
A look at the Katana manual and the GA-FC manual lead me to the right direction of how the two work together. Playing around with the two units helped me to understand what isn't in the manuals. Tap tempo delay, on off of efx in your presets, several levels of clean/distortion are at the control of your foot. The only thing - I thought the effects loop switch would turn the EFX loop on/off. That function doesn't work for some reason. The Katana efx loop works only for certain types of pedals. Doesn't work for distortion or compressors, but works for delay, chorus, EQ type of effects. Just have to turn the pedals on/off themselves. Not with the GA-FC foot controller.
Overall, I'm happy with both units together, once I found the limitations it's still an awesome combo.