MeloAudio MIDI Commander Guitar Portable USB MIDI Foot Controller con 10 interruttori a pedale 2 prese per pedale di espressione 8 preimpostazioni Host - AliExpress
MIDI Controller to Wah Wah (download) - Media Music
Remote Wah Wah - MIDI controllable, analog rack Wah Wah pedal, incl. Power Supply 220-240 V | Reverb Italia
Expression pedal with MIDI toe switch for Line6 M13
Miaow Wah: The Future of Wah? – The Blue Cat Audio Blog
Boss EV-1-WL Wireless MIDI Expression Pedal | Sweetwater