Pedals that stack with the Death By Audio Harmonic Transformer

Caroline Guitar Company Parabola State Tremolo

Keep Death By Audio Harmonic Transformer's harmonically rich voice out front: Caroline Guitar Company Parabola State Tremolo goes after Death By Audio Harmonic Transformer in the signal chain so its clean boost voice doesn't muddy it

Walrus Audio Ages

Run fuzzy into Walrus Audio Ages for more clean boost on top

JHS Colour Box V2

JHS Colour Box V2 layers clean boost onto an already fuzzy signal

Keeley Bassist

Keeley Bassist leans toward compressed, and that's a real, usable character to pair with

Walrus Audio Melee Wall of Noise Black

Run Walrus Audio Melee Wall of Noise Black after Death By Audio Harmonic Transformer in the signal chain, clear of Death By Audio Harmonic Transformer's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Pigtronix Echolution

Keep Death By Audio Harmonic Transformer's harmonically rich voice out front: Pigtronix Echolution goes after Death By Audio Harmonic Transformer in the signal chain so its modulated voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)