Pedals that stack with the Boss Katana 100 MK3

Beetronics Buzzter Boost Preamp

Beetronics Buzzter Boost Preamp takes that high gain character and pushes it toward clean boost

Friedman BE-OD

Feed a high gain signal into Friedman BE-OD and it comes out closer to tight

Carl Martin PlexiTone

Stack Carl Martin PlexiTone on top and a high gain tone tightens toward clean boost

Walrus Audio Lillian Multi-Stage Analog Phaser

Put Walrus Audio Lillian Multi-Stage Analog Phaser after Boss Katana 100 MK3 in the signal chain, clear of Boss Katana 100 MK3's own gain stage

Hungry Robot Moby Dick V2

Run Hungry Robot Moby Dick V2 in Boss Katana 100 MK3's effects loop, clear of Boss Katana 100 MK3's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Walrus Audio Fathom

Walrus Audio Fathom's ambient voice goes in Boss Katana 100 MK3's effects loop — it's not there to compete with Boss Katana 100 MK3's own high gain character — goes in the amp's FX loop (or last, into a clean amp)

Warm Audio Pedal 76 Compressor

What Warm Audio Pedal 76 Compressor brings here leans toward tight — that's worth building a pairing around