For the Axe-Fx II to work properly, it is important that input and output levels be configured correctly.
INPUT LEVELS are set with “soft-knobs” on the INPUT page of the I/O menu. Adjust according to the level of input source material until “hot” signals “tickle” the red LEDs on the front panel INPUT meters. The red LED lights at -6 dB (below clipping). Some sources may not reach ideal levels but can still be used with no problems.