Pedals that stack with the MXR MC401 Boost/Line Driver

Beetronics Nectar

The transparent tone has headroom to spare — Beetronics Nectar gives it low gain to fill it with

EarthQuaker Devices Dirt Transmitter

Run EarthQuaker Devices Dirt Transmitter into that transparent platform and it finally gets some fuzzy

Dunlop JD-4S Rotovibe

Put Dunlop JD-4S Rotovibe after MXR MC401 Boost/Line Driver in the signal chain, clear of MXR MC401 Boost/Line Driver's own gain stage

Vox Valvenergy Silk Drive

Vox Valvenergy Silk Drive leans toward smooth, and that's a real, usable character to pair with

Mr. Black Bloodmoon

Put Mr. Black Bloodmoon after MXR MC401 Boost/Line Driver in the signal chain, clear of MXR MC401 Boost/Line Driver's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Meris Polymoon

Run Meris Polymoon after MXR MC401 Boost/Line Driver in the signal chain, clear of MXR MC401 Boost/Line Driver's own gain stage — goes in the amp's FX loop (or last, into a clean amp)