Originally Posted by SpectralJulianIsNotDead
and the square is voiced to sound like a Vox repeater (plug in effect that Spaceman 3 used to use.)
Actually, those were built into the guitars. I have a Vox guitar with fuzz and repeater on-board, and Sonic Boom's has them as well (different model, same FX). They did sell them as a separate unit for a while though. I love square trems a lot.