Got an update for you. I got a chance to side by side the Supa-Leads today into my HX Stomp. You can tell they are the same type of pedal, they have a very similar sound. The Smalls has more gain on tap than the big box but the biggest difference is the EQ between the pedals. The Smalls is more scooped sounding than the big box and has a tighter bottom end and is a little brighter, the big box has more lows, almost boomy. There is some overlap in the tone knobs where you can get them close sounding. Both are actually pretty great just at different things. The Smalls is more articulate sounding on chords where I can hear individual notes and the big box sounds great on leads since it’s less scooped sounding, the Smalls sounds pretty good on leads too but the big box would be my first choice. Oh by the way I used my Tele(not a bass sorry) and a Fender Twin patch on the Stomp.