Pedals that stack with the Marshall MG15GFX

pushes an already-dirty tonePushes an already-dirty tone harder and tightens it up. (crunchy → mid-forward)

Browne Amplification Gritador takes that crunchy character and pushes it toward mid-forward

Goes in front of the amp

fills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (thin → full)

Catalinbread Dirty Little Secret Mk2's own harmonically rich character is the real reason this is worth trying

Goes in front of the amp

fills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (thin → full)

Wampler Plexi Drive's own crunchy character is the real reason this is worth trying

Goes in front of the amp

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.

Run Catalinbread Dirty Little Secret Deluxe in Marshall MG15GFX's effects loop, clear of Marshall MG15GFX's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Sits in the amp's effects loop

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.

Keep Origin Effects MAGMA57 Amp Vibrato & Drive after Marshall MG15GFX in the signal chain, clear of Marshall MG15GFX's own gain stage

Goes in front of the amp

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.

Run Source Audio Nemesis in Marshall MG15GFX's effects loop, clear of Marshall MG15GFX's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Sits in the amp's effects loop

fills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (thin → full)

Walrus Audio Mira leans toward dynamic, and that's a real, usable character to pair with

Goes in front of the amp