Pedals that stack with the Synergy SYN-20IR 3-Channel 20W Modular Head

Electro-Harmonix Triangle Big Muff Pi

What Electro-Harmonix Triangle Big Muff Pi brings here leans toward sustaining — that's worth building a pairing around

Free The Tone ODL-1A-CS Overdriveland Custom w/Ch Cont

What Free The Tone ODL-1A-CS Overdriveland Custom w/Ch Cont brings here leans toward high headroom — that's worth building a pairing around

J. Rockett The Dude

What J. Rockett The Dude brings here leans toward saturated — that's worth building a pairing around

Caroline Guitar Company Somersault

Keep Synergy SYN-20IR 3-Channel 20W Modular Head's colored voice out front: Caroline Guitar Company Somersault goes after Synergy SYN-20IR 3-Channel 20W Modular Head in the signal chain so its modulated voice doesn't muddy it

Carl Martin Headroom

Keep Synergy SYN-20IR 3-Channel 20W Modular Head's colored voice out front: Carl Martin Headroom goes in Synergy SYN-20IR 3-Channel 20W Modular Head's effects loop so its spring voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

Crazy Tube Circuits Splash

Run Crazy Tube Circuits Splash in Synergy SYN-20IR 3-Channel 20W Modular Head's effects loop, clear of Synergy SYN-20IR 3-Channel 20W Modular Head's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Universal Audio 1176 Compressor

What Universal Audio 1176 Compressor brings here leans toward compressed — that's worth building a pairing around