MORLEY Dual Bass Wah have this pot inside to cut off the delay. You just have to turn it anticlockwise until the arrow points cero. I've seen a post about this, I tried myself and works fine, I just wanted to add the pictures in case anyone need it. : r/basspedals
Used Morley Dual Bass Wah Effect Pedal | Guitar Center
Morley Dual Bass Wah Pedal Pab-2 - Walmart.com
Morley PBA-2 Dual Bass Wah pedal | Bax Music
Used Morley Dual Bass Wah Effect Pedal | Guitar Center