Pedals that stack with the Vertex Ultraphonix HRM

Greer Royal Velvet

Greer Royal Velvet layers fuzzy onto an already mid-forward signal

ZVEX Fuzz Factory

ZVEX Fuzz Factory's smooth balances out the bright tone

Crazy Tube Circuits Golden Ratio

Crazy Tube Circuits Golden Ratio's own tight character is the real reason this is worth trying

MXR Analog Chorus

Keep Vertex Ultraphonix HRM's saturated voice out front: MXR Analog Chorus goes after Vertex Ultraphonix HRM in the signal chain so its full voice doesn't muddy it

Caroline Guitar Company Kilobyte

Keep Caroline Guitar Company Kilobyte after Vertex Ultraphonix HRM in the signal chain, clear of Vertex Ultraphonix HRM's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Suhr Discovery

Run Suhr Discovery after Vertex Ultraphonix HRM in the signal chain, clear of Vertex Ultraphonix HRM's own gain stage — goes in the amp's FX loop (or last, into a clean amp)