Pedals that stack with the Synergy Friedman DS Module

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

Browne Amplification Gritador pushes a high gain tone toward mid-forward

Goes in front of the amp

pushes an already-dirty tonePushes an already-dirty tone harder and tightens it up. (high gain → tight)

Stack Friedman BE-OD on top and a high gain tone tightens toward tight

Goes in front of the amp

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

Catalinbread RAH takes that high gain character and pushes it toward mid-forward

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. (high gain → shimmer)

Electro-Harmonix Deluxe Electric Mistress's shimmer voice goes after Synergy Friedman DS Module in the signal chain — it's not there to compete with Synergy Friedman DS Module's own dynamic character

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. (high gain → lush)

Put Hungry Robot Moby Dick V2 in Synergy Friedman DS Module's effects loop, clear of Synergy Friedman DS Module'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. (high gain → modulated)

Run Hungry Robot The Borderland in Synergy Friedman DS Module's effects loop, clear of Synergy Friedman DS Module's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Sits in the amp's effects loop

shapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain.

Origin Effects Cali76 V2 FET Compressor's own tight character is the real reason this is worth trying

Goes in front of the amp