The Walrus Audio Fundamental Chrous is a Walrus Audio chorus pedal, currently around $99.99. Close alternatives include the Providence ADC-4 Anadime Analog Chorus and the Electro-Harmonix NC. It pairs well with the Revv Generator G20 20-Watt 2-Channel Tube Head and the Diezel VH4 4-Channel 100-Watt.
Walrus Audio Fundamental Chrous
Walrus Audio · pedal
The Walrus Audio Fundamental Chorus is part of the brand's affordable, streamlined Fundamental series, delivering quality analog-style chorus with an intuitive, slider-based interface. A dry/wet Mix slider blends the effect while mode switches select different intensities of chorusing from Light to Heavy, making it easy to dial subtle shimmer or lush, deep modulation. Designed as an accessible entry-level pedal without sacrificing tone, it offers warm, watery chorus textures suitable for clean rhythm, ambient layers, and vintage-style modulation. The simple layout makes it beginner-friendly and quick to use, while still sounding musical and usable on a serious board. It suits players wanting straightforward, good-sounding chorus at a budget price, covering everything from gentle thickening to pronounced swirl in a compact, well-built enclosure.
What stands out
“It suits players wanting straightforward, good-sounding chorus at a budget price, covering everything from gentle thickening to pronounced swirl in a compact, well-built enclosure”
— from the listing
“Strengths are the strong value, the ease of use, the range of chorus intensities, the musical tone, and the build quality”
— from the reviews
“A dry/wet Mix slider blends the effect while mode switches select different intensities of chorusing from Light to Heavy, making it easy to dial subtle shimmer or lush, deep modulation”
— from the listing
“Players appreciate the Fundamental Chorus as an affordable, easy-to-use chorus that still sounds musical, with a Mix slider and Light-to-Heavy mode switch covering subtle shimmer to lush swirl”
— from the community notes
“the simple layout makes it beginner-friendly and quick to use”
— from the listing
- chorus
- musical
- subtle
- fundamental
- modulation
- simple
- mix
- rhythm
Price updated Oct 24, 2026
Genres the Walrus Audio Fundamental Chrous is commonly used in
- Ambient
- Post Punk
cited
Inferred from shared tonal signals, not a stated genre tag. - Shoegaze
cited
Inferred from shared tonal signals, not a stated genre tag. - New Wave
cited
Inferred from shared tonal signals, not a stated genre tag. - Indie
cited
Inferred from shared tonal signals, not a stated genre tag. - Electronic
cited
Inferred from shared tonal signals, not a stated genre tag.
Amps that pair well with the Walrus Audio Fundamental Chrous
Revv Generator G20 20-Watt 2-Channel Tube Head
Revv
21% matchRevv Generator G20 20-Watt 2-Channel Tube Head leans toward high gain, and that's a real, usable character to pair with
Comes later in the signal chain
Diezel VH4 4-Channel 100-Watt
Diezel
20% matchDiezel VH4 4-Channel 100-Watt leans toward high gain, and that's a real, usable character to pair with
Comes later in the signal chain
ENGL Fireball 25 E633
Engl
18% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Put Walrus Audio Fundamental Chrous after ENGL Fireball 25 E633 in the signal chain, clear of ENGL Fireball 25 E633's own gain stage
Comes later in the signal chain
Mesa/Boogie JP-2C John Petrucci Signature 60/100-Watt
Mesa Boogie
tonal matchComes later in the signal chain
Mesa/Boogie JP-2C John Petrucci Signature 60/100-Watt goes after Walrus Audio Fundamental Chrous in the chain
Synergy SL2 Module
Synergy
tonal matchComes later in the signal chain
Put Synergy SL2 Module after Walrus Audio Fundamental Chrous
Marshall Studio JCM900 SN20H
Marshall
tonal matchComes later in the signal chain
Marshall Studio JCM900 SN20H goes after Walrus Audio Fundamental Chrous in the chain
Friedman BE-Mini Head
Friedman
tonal matchComes later in the signal chain
Put Friedman BE-Mini Head after Walrus Audio Fundamental Chrous
Hughes & Kettner Warp 7
Hughes & Kettner
tonal matchComes later in the signal chain
Put Hughes & Kettner Warp 7 after Walrus Audio Fundamental Chrous
Pedals that stack with the Walrus Audio Fundamental Chrous
Electro-Harmonix Hot Wax
Electro-Harmonix
24% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Run Walrus Audio Fundamental Chrous after Electro-Harmonix Hot Wax in the signal chain, clear of Electro-Harmonix Hot Wax's own gain stage
Comes earlier in the signal chain
Wren and Cuff Box of War Small Foot Fuzz
Wren And Cuff
24% matchWren and Cuff Box of War Small Foot Fuzz leans toward fuzzy, and that's a real, usable character to pair with
Comes earlier in the signal chain
Fjord Fuzz Odin
Fjord Fuzz
23% matchWhat Fjord Fuzz Odin brings here leans toward fuzzy — that's worth building a pairing around
Comes earlier in the signal chain
Mooer 003
Mooer
22% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Keep Walrus Audio Fundamental Chrous after Mooer 003 in the signal chain, clear of Mooer 003's own gain stage
Comes later in the signal chain
Fjord Fuzz FJ/ER
Fjord Fuzz
22% matchsits 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 Walrus Audio Fundamental Chrous after Fjord Fuzz FJ/ER in the signal chain, where it won't crowd Fjord Fuzz FJ/ER — goes in the amp's FX loop (or last, into a clean amp)
Comes later in the signal chain
Keeley Zoma
Keeley
19% matchsits 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)
Keep Walrus Audio Fundamental Chrous after Keeley Zoma in the signal chain, where it won't crowd Keeley Zoma — goes in the amp's FX loop (or last, into a clean amp)
Comes later in the signal chain
Tone City Model S Distortion
Tone City
15% matchsits 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)
Keep Walrus Audio Fundamental Chrous after Tone City Model S Distortion in the signal chain, clear of Tone City Model S Distortion's own gain stage
Comes earlier in the signal chain
Dawner Prince Boonar
Dawner Prince
9% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Put Dawner Prince Boonar after Walrus Audio Fundamental Chrous in the signal chain, where it won't crowd Walrus Audio Fundamental Chrous — goes in the amp's FX loop (or last, into a clean amp)
Comes later in the signal chain
See all 9 pedals that pair with the Walrus Audio Fundamental Chrous →
Cheaper alternatives
TC Electronic Corona Mini Chorus Effetto A
TC Electronic
66% similarityShared character: warm, wide range, chorus
Electro-Harmonix Small Clone
Electro-Harmonix
57% similarityShared character: simple
TC Electronic Choka Tremolo
TC Electronic
57% similarityShared character: ease, wide range, compact
TC Electronic Gravy
TC Electronic
55% similarityShared character: chorus, ambient, modulation
MXR Phase 90
MXR
95% similaritysimilar tone character
Boutique & premium upgrades
EarthQuaker Devices Sea Machine
EarthQuaker Devices
66% similarityShared character: wide range, analog, chorus
Red Witch Empress
Red Witch
62% similarityShared character: chorus, modulation, subtle
Boss CE-2 Chorus
Boss
61% similarityShared character: chorus, modulation, subtle
Dunlop JHMS3 Hendrix Shrine Series Uni-Vibe
Dunlop
58% similarityShared character: analog, chorus, modulation
Electro-Harmonix Good Vibes
Electro-Harmonix
57% similarityShared character: chorus, simple
Catalinbread Wake Chorus/Octaver
Catalinbread
56% similarityShared character: chorus, ambient, mix
Similar charactersee all similar tone character →
Providence ADC-4 Anadime Analog Chorus
Providence
62% similarityShared character: analog, modulation, subtle
Electro-Harmonix NC
Electro-Harmonix
62% similarityShared character: compact, ambient, subtle
JHS 3 Series Flanger
JHS Pedals
58% similarityShared character: warm, chorus, ambient
Electro-Harmonix Eddy Vibrato/Chorus
Electro-Harmonix
57% similarityShared character: ambient, modulation, subtle
Keeley Seafoam+
Keeley
56% similarityShared character: analog, chorus, ambient
Ibanez CS Mini Compressor/Sustainer
Ibanez
95% similaritysimilar tone character
See all alternatives to the Walrus Audio Fundamental Chrous (cheaper + boutique) →
Questions people ask
What are good alternatives to the Walrus Audio Fundamental Chrous?+
The closest matches in character are the Providence ADC-4 Anadime Analog Chorus, the Electro-Harmonix NC, the JHS 3 Series Flanger. Budget picks: TC Electronic Corona Mini Chorus Effetto A, Electro-Harmonix Small Clone, TC Electronic Choka Tremolo. Boutique upgrades: EarthQuaker Devices Sea Machine, Red Witch Empress, Boss CE-2 Chorus.
What pairs well with the Walrus Audio Fundamental Chrous?+
Strong matches from rig and tone-complementarity evidence: Revv Generator G20 20-Watt 2-Channel Tube Head, Diezel VH4 4-Channel 100-Watt, ENGL Fireball 25 E633 — Revv Generator G20 20-Watt 2-Channel Tube Head leans toward high gain, and that's a real, usable character to pair with.
How much does the Walrus Audio Fundamental Chrous cost?+
Around $99.99 (live listing price, updated Oct 24, 2026).