Voodoo Lab Sparkle Drive Mod-OverdriveSparkle Drive MOD delivers all the overdrive tones of the original Sparkle Drive, but with a twist. Using the MOD switch, you can select the stock 808 based circuit, or instantly pick from 3 different custom modifications. Whether you need more gain, tighter bass response, a more vocal midrange, or a thick and juicy lead tone, Sparkle Drive MOD gives you the tools to get there. In VINTAGE mode, you get the classic tube style midrange grind that's