Pricing and availability
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Price
Average Price: $98
Budget/Beginner
$100
$276+
Price Tier
Budget
Standard
High-end
Price History
Based on price data from 5 merchants for "Walrus Audio Fundamental Series Ambient Pedal". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Dive into a world of ambient exploration with the Walrus Audio Fundamental Series Ambient Pedal. This compact reverb pedal is a gateway to lush soundscapes and atmospheric tones, all within an intuitive design. Featuring three distinct reverb modes—Deep, Lush, and Haze—this pedal can take you from dark, cavernous depths to shimmering, crystalline heights with ease. Whether you're crafting immersive backgrounds or adding a touch of moody atmosphere, the Fundamental Ambient Pedal delivers studio-quality reverbs right at your feet.
The pedal's simple control layout invites both beginners and seasoned musicians to explore its rich tonal palette. Decay, Tone, and Mix sliders offer quick yet profound adjustments, allowing you to sculpt your reverb with precision. Each mode boasts unique characteristics: Deep enriches your sound with a haunting low octave, Lush provides expansive pads for dreamy landscapes, and Haze introduces lo-fi grit with a resonant bandpass filter.
Built to withstand the rigors of the road, the pedal's durable die-cast enclosure and top-mounted jacks ensure it fits seamlessly into any pedalboard setup. With trails mode for natural decay and buffered bypass to preserve your signal integrity, the Fundamental Ambient Pedal is ready for any performance, studio session, or creative endeavor.
Key Features:
- Three reverb modes: Deep, Lush, and Haze
- Intuitive sliders for Decay, Tone, and Mix
- Compact and durable die-cast construction
- Buffered bypass for signal preservation
- Switchable trails mode for natural reverb decay
- Designed and assembled in the USA
Product specs
| Pedal Type | Ambient Reverb |
| Analog/Digital | Digital |
| Effects | Deep, Lush, Haze |
| Inputs | 1 x 1/4" |
| Outputs | 1 x 1/4" |
| Bypass Switching | Buffered, Trails Mode |
| Power Source | 9V DC power supply (sold separately) |
| Power Usage | 100mA minimum |
| Height | 2.25" |
| Width | 2.375" |
| Depth | 4.75" |
| Weight | 0.5 lbs. |
FAQs
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What types of reverb effects does the Walrus Audio Fundamental Series Ambient Pedal offer?
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The Walrus Audio Fundamental Series Ambient Pedal provides three reverb effects: Deep, Lush, and Haze, each designed to create expansive ambient soundscapes for your guitar playing.
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Can the Walrus Audio Fundamental Series Ambient Pedal be used with a buffered bypass?
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Yes, the pedal features buffered bypass switching with a Trails Mode, allowing your reverb tails to naturally decay even after the pedal is turned off.
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What are the power requirements for the Walrus Audio Fundamental Series Ambient Pedal?
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This pedal requires a 9V DC power supply with a minimum of 100mA. The power supply is sold separately.
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Is the Walrus Audio Fundamental Series Ambient Pedal suitable for live performances?
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Yes, with its buffered bypass and Trails Mode, this pedal is well-suited for live performances, ensuring smooth transitions and maintaining the integrity of your reverb effects.
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What are the input and output options on the Walrus Audio Fundamental Series Ambient Pedal?
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The pedal features a single 1/4" input and a single 1/4" output, making it easy to integrate into your existing pedalboard setup.
Videos
walrusaudioeffects
Walrus Audio Fundamental Ambient Tech Demo
Walrus Audio Fundamental Ambient Tech Demo
walrusaudioeffects
Walrus Audio Fundamental AMBIENT Reverb | A new standard in affordable ambient reverbs?
Ambient Endeavors
Walrus Audio Shootout: Fundamental Ambient vs. Fundamental Reverb | PlayJason
Jason Mays
Ambient Guitar on a Budget | Walrus Audio Ambient
TheGuitarGeek
I Think I Found The Best Budget Reverb (Walrus Fundamental Ambient)
Miles Away
Walrus Audio Fundamental Ambient // Reverb Pedal Demo
Demos In The Dark
Walrus Audio | Fundamental Ambient Demo
Megan L
Reviews
PROS
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Excellent for shoegaze and ambient music, creating lush, immersive soundscapes.
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Easy to use with intuitive slider controls for quick sound adjustments.
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Three well-voiced modes offering a variety of ambient reverb effects.
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Solid build quality with a sturdy metal enclosure.
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Compact size, pedalboard-friendly, and integrates well with other pedals.
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Great value for money, delivering high-quality sound at an affordable price.
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Produces natural-sounding trails, enhancing the reverb experience.
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Perfect for adding atmospheric depth without overwhelming other elements.
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Ideal for guitarists seeking a big reverb effect without complexity.
CONS
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Sliders may feel fragile and require careful handling.
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Not suitable for traditional reverb sounds like spring or plate.
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Power jack placement might be inconvenient for some setups.
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Walrus Audio Fundamental Series Ambient Pedal.
User experience
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Owners report that the pedal's sliders include center indents, enhancing the tactile feedback and ease of use.
Source -
Owners express a strong preference for the Walrus Ambient, emphasizing its intuitive design and impressive sound quality over more complex pedals.
Source -
After maxing the trails and turning the pedal off, users enjoy a lingering pad effect that abruptly stops after about 20 seconds.
Source -
Owners appreciate its simplicity and effectiveness, with no bad settings, making it user-friendly for various applications.
Source
Features and functionality
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The lack of stereo output on the Walrus may be a consideration for setups that require stereo reverb, unlike the stereo-capable Cosmosis.
Source -
The pedal has three distinct modes: Deep with an octave-down feature, Lush with bright modulation, and Haze with a gritty, lo-fi texture.
Source -
The pedal offers impressive long reverb trails, even at minimal decay settings, making it versatile for ambient soundscapes.
Source -
The octave-down feature in the Deep setting is subtle yet audible, enhancing the sound without overwhelming it.
Source
Comparisons
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Users who switched from a Meris Polymoon highlight the Walrus as more user-friendly, with a simpler interface and the ability to pair effectively with other delay pedals.
Source -
Many find the Fundamental Ambient simpler to use than the Slötvå, with less time spent dialing in sounds.
Source -
Compared to the EHX Holy Grail, the Haze setting offers a more intriguing lo-fi texture, reminiscent of a "smoke-filled hall."
Source -
Compared to Neunaber Wet and Mr Black Supermoon, it uniquely creates massive ambient pads.
Source
Value and pricing
Use cases and applications
Critic Reviews
5.0 out of 5
Based on 2 Reviews and 4 Ratings
439
awesome
this punches way above it's price. solid, quality pedal, soft switch, great sounds, and brand new for about $100. can't beat it.
Preferred Settings + Usage:
i love the Haze setting, its kind of lo-fi and almost a touch bit-crushy without being obnoxious.
162
Great value, in spite of some compromises
Wouldn't be my first choice for reverb, but if you're already covered in terms of spring/plate/room sounds, this adds massive amounts of ambiance at a very reasonable price. Solid build, looks cool, silent switch, I just wish the power jack was on top with the quarter inch jacks.
Artist usage
Add artist
Jeremy Galindo uses the Walrus Audio Fundamental Series Ambient Pedal during his EU tour, as evidenced by the source image.
In a photo taken at the Black Cat in Washington, D.C. on June 18, 2025, Mercedes Arn-Horn's vocal pedalboard is clearly visible with the Walrus Audio Fundamental Series Ambient Pedal. Her signature guitar can also be seen at the bottom of the image.
In Danilo's 2024 studio tour, a Fundamental series ambient pedal can be seen at the 3:40 mark.
In an Instagram post by Todd Farrell, his full pedalboard is visible in the studio, confirming the use of the Walrus Audio Fundamental Series Ambient Pedal. The pedalboard lineup includes other pedals such as the Earthquaker Levitation and MXR Carbon Copy, among others. The post details a recording session with the Electric Python Band at Battle Tapes studio.
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use Walrus Audio Fundamental Series Ambient Pedal, it is most commonly used with the following gear.
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Community setups
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