Pedals that stack with the Maxon SM9Pro+ Super Metal Pro Plus Distortion

Electro-Harmonix Deluxe Electric Mistress

Run Electro-Harmonix Deluxe Electric Mistress after Maxon SM9Pro+ Super Metal Pro Plus Distortion in the signal chain, clear of Maxon SM9Pro+ Super Metal Pro Plus Distortion's own gain stage

Suhr Shiba Drive

Suhr Shiba Drive pushes a high gain tone toward mid-forward

Browne Amplification Gritador

Feed a high gain signal into Browne Amplification Gritador and it comes out closer to mid-forward

Hungry Robot Moby Dick V2

Hungry Robot Moby Dick V2's ambient voice goes after Maxon SM9Pro+ Super Metal Pro Plus Distortion in the signal chain — it's not there to compete with Maxon SM9Pro+ Super Metal Pro Plus Distortion's own tight character — goes in the amp's FX loop (or last, into a clean amp)

Hungry Robot The Borderland

Hungry Robot The Borderland's modulated voice goes after Maxon SM9Pro+ Super Metal Pro Plus Distortion in the signal chain — it's not there to compete with Maxon SM9Pro+ Super Metal Pro Plus Distortion's own tight character — goes in the amp's FX loop (or last, into a clean amp)

Warm Audio Pedal 76 Compressor

Maxon SM9Pro+ Super Metal Pro Plus Distortion's tight character and Warm Audio Pedal 76 Compressor's tight voice sit in the same lane rather than fighting each other