No longer available - Morley Dual Bass Wah Brand New In Box Never Used!!!! | TalkBass.com
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