Pedals that stack with the EarthQuaker Devices Chelsea Low End

Cordovox PH-8

Keep Cordovox PH-8 after EarthQuaker Devices Chelsea Low End in the signal chain, clear of EarthQuaker Devices Chelsea Low End's own gain stage

Death By Audio Octave Clang

Put Death By Audio Octave Clang in front and the fuzzy tone leans further toward octave

JHS Colour Box V2

Put JHS Colour Box V2 in front and the fuzzy tone leans further toward clean boost

Strymon OB.1 Bass

What Strymon OB.1 Bass brings here leans toward clean boost — that's worth building a pairing around

Pigtronix Echolution

Keep Pigtronix Echolution after EarthQuaker Devices Chelsea Low End in the signal chain, clear of EarthQuaker Devices Chelsea Low End's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Walrus Audio Mako D1 High-Fidelity Stereo Delay V1

Run Walrus Audio Mako D1 High-Fidelity Stereo Delay V1 after EarthQuaker Devices Chelsea Low End in the signal chain, clear of EarthQuaker Devices Chelsea Low End's own gain stage — goes in the amp's FX loop (or last, into a clean amp)