Pedals that stack with the Line 6 DM4 Distortion Modeler

Catalinbread Formula 5F6

Catalinbread Formula 5F6 leans toward harmonically rich, and that's a real, usable character to pair with

Electro-Harmonix Crayon

What Electro-Harmonix Crayon brings here leans toward transparent — that's worth building a pairing around

Caroline Guitar Company Somersault

Put Caroline Guitar Company Somersault after Line 6 DM4 Distortion Modeler in the signal chain, clear of Line 6 DM4 Distortion Modeler's own gain stage

Ashdown Macchiato Compressor Guy Pratt Signature

Ashdown Macchiato Compressor Guy Pratt Signature leans toward compressed, and that's a real, usable character to pair with

Caroline Guitar Company Meteore

Keep Line 6 DM4 Distortion Modeler's pristine voice out front: Caroline Guitar Company Meteore goes after Line 6 DM4 Distortion Modeler in the signal chain so its pristine voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

Dunlop - MXR Carbon Copy Deluxe Analog Delay

Keep Dunlop - MXR Carbon Copy Deluxe Analog Delay after Line 6 DM4 Distortion Modeler in the signal chain, clear of Line 6 DM4 Distortion Modeler's own gain stage — goes in the amp's FX loop (or last, into a clean amp)