Pedals that stack with the Lab Ratz 3D Boum Warming Unit

RHC Rat Turbo Rat Distortion

RHC Rat Turbo Rat Distortion's bright balances out the warm tone

Electro-Harmonix Big Muff Pi

The low gain tone has headroom to spare — Electro-Harmonix Big Muff Pi gives it fuzzy to fill it with

JHS Colour Box V2

The Boum's subtle analog warmth and compression feed the Colour Box's preamp gain stage an already-saturated signal.

67Audio Libido

Run the Boum before the Libido to add subtle, harmonic analog warmth before the treble boost kicks in.

Electronic Audio Experiments Halberd v2

Lab Ratz 3D Boum Warming Unit leans toward low gain, and that's a real, usable character to pair with

Keeley Oxblood Overdrive

Lab Ratz 3D Boum Warming Unit leans toward low gain, and that's a real, usable character to pair with

Caline CP-11 Puffer Fuzz

Lab Ratz 3D Boum Warming Unit leans toward low gain, and that's a real, usable character to pair with

Maxon VOP-9 Vintage OD PRO

What Lab Ratz 3D Boum Warming Unit brings here leans toward low gain — that's worth building a pairing around

Dunlop MXR M294 Sugar Drive

Dunlop MXR M294 Sugar Drive's medium gain character and Lab Ratz 3D Boum Warming Unit's low gain voice sit in the same lane rather than fighting each other

Catalinbread Epoch Boost Mini

What Lab Ratz 3D Boum Warming Unit brings here leans toward low gain — that's worth building a pairing around

Cusack Music More Louder

Cusack Music More Louder's clean boost character and Lab Ratz 3D Boum Warming Unit's low gain voice sit in the same lane rather than fighting each other

Free The Tone Overdriveland ODL-1-CS

Lab Ratz 3D Boum Warming Unit leans toward low gain, and that's a real, usable character to pair with

NuX Horseman Gold 2 in 1 Overdrive

Lab Ratz 3D Boum Warming Unit leans toward low gain, and that's a real, usable character to pair with

Xotic AC Plus

Lab Ratz 3D Boum Warming Unit leans toward low gain, and that's a real, usable character to pair with

Warm Audio Tube Squealer

What Lab Ratz 3D Boum Warming Unit brings here leans toward low gain — that's worth building a pairing around

Tone City Sweet Cream v2025

Lab Ratz 3D Boum Warming Unit leans toward low gain, and that's a real, usable character to pair with

Cusack Music Delay TME

Put Cusack Music Delay TME after Lab Ratz 3D Boum Warming Unit in the signal chain, clear of Lab Ratz 3D Boum Warming Unit's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Keeley Blues Disorder 4-in-1

What Lab Ratz 3D Boum Warming Unit brings here leans toward low gain — that's worth building a pairing around

Mooer Micro Preamp 006 US Classic Deluxe

What Lab Ratz 3D Boum Warming Unit brings here leans toward low gain — that's worth building a pairing around

Electronic Audio Experiments Halberd V2.5

Lab Ratz 3D Boum Warming Unit's own low gain character is the real reason this is worth trying

Tone City Sweet Cream V2

Lab Ratz 3D Boum Warming Unit leans toward low gain, and that's a real, usable character to pair with

Amptweaker Tight Boost

Run the Boum Warming Unit's subtle analog saturation ahead of Tight Boost for harmonic warmth before the mid lift kicks in.

Blackstar LT-Boost

Both lean toward clean boost and low gain respectively — close enough in character that they complement instead of clashing

Boss DD-3 Digital Delay

Keep Lab Ratz 3D Boum Warming Unit's low gain voice out front: Boss DD-3 Digital Delay goes after Lab Ratz 3D Boum Warming Unit in the signal chain so its transparent voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)