Detail 01
Switchless activation
Step on the treadle to engage the wah; step off to bypass it.

Independent shopping perspective
A classic Morley wah co-designed with Steve Vai, pairing switchless operation with two wah modes, adjustable contour, and electro-optical circuitry.


Strong match
Consider the trade-offs
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.

Detail 01
Step on the treadle to engage the wah; step off to bypass it.
Detail 02
A spring returns the treadle to its off position.
Detail 03
Morley describes it as dependable and not subject to the wear of a traditional potentiometer.
Final check

Product questions
Straight answers to the questions shoppers most often ask about this product.
Morley designed it in collaboration with Steve Vai in the 1990s.
Step on the treadle to engage it; step off to bypass it.
It allows adjustment of frequency and tone.
Up to 15 dB.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.