I use "Low Pass" & "High Pass", not Wah Wah
LOW PASS - Les Paul
Manual...2.7
Peak...0.0
Pedal Range...+ 34%
Peak Range...100%
Mix...69%
Volume...+ 0.1
Heel Mode.
HIGH PASS - Tele
Manual...2.0
Peak...3.0
Pedal Range...+38%
Peak Range...100%
Mix...75%
Volume...+0.5
Heel mode.
What is better, wah wah or high/low pass
Funny question.
Just try it out and trust your ears