![BOSS Ev-30 Dual Expression Pedal, Space-Saving Expression Pedal with A Rugged Die-Cast Aluminum Body : Amazon.co.uk: Musical Instruments & DJ BOSS Ev-30 Dual Expression Pedal, Space-Saving Expression Pedal with A Rugged Die-Cast Aluminum Body : Amazon.co.uk: Musical Instruments & DJ](https://m.media-amazon.com/images/I/51HlVGFrpML._AC_SL1000_.jpg)
BOSS Ev-30 Dual Expression Pedal, Space-Saving Expression Pedal with A Rugged Die-Cast Aluminum Body : Amazon.co.uk: Musical Instruments & DJ
![So I just received my GA-FC and this EV-5 expression pedal for my Mk2 100w and I can't get the expression pedal to change from a master volume to a wah. I So I just received my GA-FC and this EV-5 expression pedal for my Mk2 100w and I can't get the expression pedal to change from a master volume to a wah. I](https://preview.redd.it/ezm95jngvpj41.jpg?width=640&crop=smart&auto=webp&s=e06ac27ed69a02c14c5423be4a044f5cbf0550c1)
So I just received my GA-FC and this EV-5 expression pedal for my Mk2 100w and I can't get the expression pedal to change from a master volume to a wah. I
![KatanaMKII212 this auto wah is fun. Both Foot control and expression pedal on back order thanks to the recent winter storm. This amp is a blast!! : r/ BossKatana KatanaMKII212 this auto wah is fun. Both Foot control and expression pedal on back order thanks to the recent winter storm. This amp is a blast!! : r/ BossKatana](https://external-preview.redd.it/Q4_WNby7-PZOEF2s_y9hTAmpr5ad8M8Wvj6wNd-Pl-Y.png?width=640&crop=smart&format=pjpg&auto=webp&s=c4d38931223c8328aeff08d6cdcc7704ca82789f)