Smaller mxr phase 100 A smaller mxr bass chorus I find that I could get any psychedelic tone I like out of the bcd. I may have to buy a second bcd. So I wouldn't mind if mxr made a smaller one with the flanger or even the x-over. Smaller ehx deluxe bass big muff Or Russian deluxe bass big muff Mini Morley dual bass wah Ampeg scr-di that has saved presets San amps has a thing that does this. I should check it out again.