You might be on to something there…
Lol
It seems pretty popular, atleast from this forum. I think it having a toe switch adds to the functionality. The dvp4 does not have a switch. It only sweeps. If I could go back in time, I would have shelled out an extra $100 and got this…
https://www.sweetwater.com/store/detail/MonoVolPedS--lehle-mono-volume-pedal-s