Pedals that stack with the CNZ Audio SPH-20

ZVEX Fuzz Factory

ZVEX Fuzz Factory leans toward fuzzy, and that's a real, usable character to pair with

Nobels ODR-1

Nobels ODR-1 leans toward full, and that's a real, usable character to pair with

Carl Martin Headroom

Carl Martin Headroom's spring voice goes after CNZ Audio SPH-20 in the signal chain — it's not there to compete with CNZ Audio SPH-20's own modulated character — goes in the amp's FX loop (or last, into a clean amp)

Crazy Tube Circuits Splash

Put Crazy Tube Circuits Splash after CNZ Audio SPH-20 in the signal chain, clear of CNZ Audio SPH-20's own gain stage — goes in the amp's FX loop (or last, into a clean amp)