The Walrus Audio FS Phaser is a Walrus Audio phaser pedal, currently around $99.99. Close alternatives include the MXR Flanger and the T-Rex Tremonti Phaser. It pairs well with the Mesa Boogie Mark IIC+ Combo and the Friedman BE-Mini Head.
Walrus Audio FS Phaser
Walrus Audio · pedal
The Walrus Audio Fundamental Phaser is part of the brand's affordable, streamlined Fundamental series, offering a very capable digital emulation of a classic phaser with an intuitive slider-and-switch interface. It features Light, Medium, and Heavy mode voicings plus a Feedback control that dials in anything from subtle sweep to metallic, resonant intensity, giving it more editability than classic units like the Phase 90 or Small Stone. A dry/wet Mix slider blends the effect, and the three voicings make it a genuine workhorse covering warm vintage swirl through aggressive, resonant phasing. Beginner-friendly yet board-ready, it suits players wanting versatile, good-sounding phaser tones at a budget price, from gentle classic sweeps to pronounced, feedback-laden modulation in a compact, well-built enclosure.
- phaser
- metallic
- fundamental
- resonant
- mix
- digital
- resonance
- modulation
Price updated Aug 27, 2026
Genres the Walrus Audio FS Phaser is commonly used in
- Funk
cited
Inferred from shared tonal signals, not a stated genre tag.
Amps that pair well with the Walrus Audio FS Phaser
Mesa Boogie Mark IIC+ Combo
Mesa Boogie
18% matchInto a low gain tone, Mesa Boogie Mark IIC+ Combo brings the high gain it's missing
Friedman BE-Mini Head
Friedman
tonal matchFriedman BE-Mini Head's high gain fills in what this low gain tone doesn't make on its own
Hughes & Kettner Warp 7
Hughes & Kettner
tonal matchHughes & Kettner Warp 7's high gain fills in what this low gain tone doesn't make on its own
Synergy SL2 Module
Synergy
tonal matchSynergy SL2 Module's high gain fills in what this low gain tone doesn't make on its own
Hiwatt Hi-Gain 100W Head
Hiwatt
tonal matchRun Hiwatt Hi-Gain 100W Head into that low gain platform and it finally gets some high gain
Hughes & Kettner Coreblade
Hughes & Kettner
tonal matchThe low gain tone has headroom to spare — Hughes & Kettner Coreblade gives it high gain to fill it with
Friedman Phil X Signature
Friedman
tonal matchInto a low gain tone, Friedman Phil X Signature brings the high gain it's missing
EVH 000
Evh
tonal matchThe low gain tone has headroom to spare — EVH 000 gives it high gain to fill it with
Pedals that stack with the Walrus Audio FS Phaser
ThorpyFX The Dane
ThorpyFX
21% matchRun ThorpyFX The Dane into that low gain platform and it finally gets some fuzzy
Wren and Cuff Box of War Small Foot Fuzz
Wren And Cuff
21% matchWren and Cuff Box of War Small Foot Fuzz's high gain fills in what this low gain tone doesn't make on its own
EarthQuaker Devices Afterneath
EarthQuaker Devices
8% matchKeep Walrus Audio FS Phaser's pristine voice out front: EarthQuaker Devices Afterneath goes after Walrus Audio FS Phaser in the signal chain so its ambient voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)
Red Witch Titan
Red Witch
7% matchKeep Red Witch Titan after Walrus Audio FS Phaser in the signal chain, clear of Walrus Audio FS Phaser's own gain stage — goes in the amp's FX loop (or last, into a clean amp)
Cusack Music Carolina Reaper Overdrive Fuzz
Cusack Music
tonal matchCusack Music Carolina Reaper Overdrive Fuzz's high gain fills in what this low gain tone doesn't make on its own
Dr. Scientist Frazz Dazzler V2
Dr Scientist
tonal matchRun Dr. Scientist Frazz Dazzler V2 into that low gain platform and it finally gets some fuzzy
Crowther Prunes
Crowther
tonal matchThe low gain tone has headroom to spare — Crowther Prunes gives it fuzzy to fill it with
EarthQuaker Devices Dirt Transmitter
EarthQuaker Devices
tonal matchRun EarthQuaker Devices Dirt Transmitter into that low gain platform and it finally gets some fuzzy
Cheaper alternatives
MXR Phase 90
MXR
70% similarity“giving it more editability than classic units like the Phase 90 or Small Stone”
Movall Audio MP-301 Van Golem
Movall Audio
94% similaritysimilar tone character
Tone City Summer Orange
Tone City
94% similaritysimilar tone character
Valco Black Hole Vintage Phaser
Valco
94% similaritysimilar tone character
Outlaw Effects Phunnel Cloud
Outlaw Effects
93% similaritysimilar tone character
Boutique & premium upgrades
Walrus Audio Lillian Multi-Stage Analog Phaser
Walrus Audio
71% similarityShared character: dynamic_control, phaser, resonant
Walrus Audio Lillian
Walrus Audio
70% similarity“Its standout weakness is the simplified digital format versus the deeper analog character of the Lillian”
Electro-Harmonix Small Stone
Electro-Harmonix
70% similarity“giving it more editability than classic units like the Phase 90 or Small Stone”
Old Blood Noise Endeavors Flat Flange Shifter Device
Old Blood Noise Endeavors
69% similarityShared character: three_modes, resonant, digital
EarthQuaker Devices Grand Orbiter
EarthQuaker Devices
94% similaritysimilar tone character
Similar charactersee all similar tone character →
MXR Flanger
MXR
69% similarityShared character: effect, resonant, digital
T-Rex Tremonti Phaser
T Rex
68% similarityShared character: phaser, mix, subtle
Spaceman Explorer 6-Stage Phaser
Spaceman
68% similarityShared character: phaser, natural_resonance, mix
JHS Pedals JHS 3 Series Phaser
JHS Pedals
95% similaritysimilar tone character
Red Witch Deluxe Moon Phaser
Red Witch
94% similaritysimilar tone character
Ibanez PH Mini Phaser Mini
Ibanez
94% similaritysimilar tone character
See all alternatives to the Walrus Audio FS Phaser (cheaper + boutique) →
Questions people ask
What are good alternatives to the Walrus Audio FS Phaser?+
The closest matches in character are the MXR Flanger, the T-Rex Tremonti Phaser, the Spaceman Explorer 6-Stage Phaser. Budget picks: MXR Phase 90, Movall Audio MP-301 Van Golem, Tone City Summer Orange. Boutique upgrades: Walrus Audio Lillian Multi-Stage Analog Phaser, Walrus Audio Lillian, Electro-Harmonix Small Stone.
What pairs well with the Walrus Audio FS Phaser?+
Strong matches from rig and tone-complementarity evidence: Mesa Boogie Mark IIC+ Combo, Friedman BE-Mini Head, Hughes & Kettner Warp 7 — Into a low gain tone, Mesa Boogie Mark IIC+ Combo brings the high gain it's missing.
How much does the Walrus Audio FS Phaser cost?+
Around $99.99 (live listing price, updated Aug 27, 2026).
Compare
- vs JHS Pedals JHS 3 Series Phaser
- vs Red Witch Deluxe Moon Phaser
- vs EarthQuaker Devices Grand Orbiter