Pedals that stack with the Electro-Harmonix Octave Multiplexer

Fulltone OCD

Fulltone OCD leans toward full, and that's a real, usable character to pair with

J. Rockett Archer

J. Rockett Archer leans toward high headroom, and that's a real, usable character to pair with

Empress Echosystem

Empress Echosystem's pristine voice goes after Electro-Harmonix Octave Multiplexer in the signal chain — it's not there to compete with Electro-Harmonix Octave Multiplexer's own octave character — goes in the amp's FX loop (or last, into a clean amp)

Keeley Halo

Keep Keeley Halo after Electro-Harmonix Octave Multiplexer in the signal chain, clear of Electro-Harmonix Octave Multiplexer's own gain stage — goes in the amp's FX loop (or last, into a clean amp)