Pricing and availability

We compare 600+ stores and found this item at 6 stores. Prices updated .

Sweetwater
5.0 (1)
$279.99
Amazon
4.6 (10)
$279.99
Reverb
5.0 (2)
$233.25 New
$130.00 Used

Average Price: $252

High-end/Boutique

$50

$176+

Price Tier

Budget

Standard

High-end

Price History

Based on price data from 4 merchants for "Walrus Audio Monumental Stereo Harmonic Tap Tremolo". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Discover new dimensions of sound with the Walrus Audio Monumental Stereo Harmonic Tap Tremolo pedal. Designed for discerning guitarists and bassists seeking both vintage warmth and modern flair, this pedal offers an expansive range of tremolo effects. Whether you're crafting smooth, vintage amp-like pulses or delving into the psychedelic realms of harmonic tremolo, the Monumental has you covered.

With its true stereo input/output capability, this pedal lets you sculpt your sound with remarkable precision. The innovative S-B-H control blends seamlessly between standard and harmonic tremolo modes, allowing for intricate polyrhythmic effects. The pan knob further enhances your tonal landscape by sweeping the tremolo effect from left to right, while the tap tempo footswitch synchronizes your modulation rate to your music’s tempo effortlessly.

The Monumental's waveform versatility is another highlight, offering sine, square, and ramp waveforms to accommodate any sonic exploration. Save your favorite settings using the three onboard presets, ensuring your unique sound is always within reach. With additional features like expression pedal control over every parameter and two-way footswitchable ramping, the Monumental is as dynamic as it is versatile.

Ideal for live performances or studio sessions, the Monumental lets you explore everything from classic tremolo to futuristic modulation. Its robust design and intuitive controls make it an essential tool for musicians looking to expand their sonic repertoire.

Key Features:

  • True Stereo Input/Output for immersive sound
  • S-B-H knob to blend standard and harmonic tremolo modes
  • Pan control for adjustable stereo spread
  • Tap tempo with multiple subdivision options
  • Three savable presets for quick recall
  • Expression pedal control over all parameters
  • Six waveform options for versatile sound shaping
  • Compatible with 12V power supplies for enhanced headroom

Product specs

Pedal Type Harmonic Tremolo
Analog/Digital Analog (effect), Digital (control)
Effects Standard Tremolo, Harmonic Tremolo
Inputs 2 x 1/4" TS (Mono, Stereo)
Outputs 2 x 1/4" TS (Mono, Stereo)
Other I/O 1 x 1/4" (tap/expression)
Bypass Switching True Bypass
Features 3 onboard presets, 6 x waveforms
Power Source 9V-12V DC 100mA power supply (sold separately)

FAQs

What makes the Walrus Audio Monumental Stereo Harmonic Tap Tremolo unique compared to other tremolo pedals?

The Walrus Audio Monumental offers both standard and harmonic tremolo effects, with the ability to save three onboard presets and choose from six different waveforms, making it highly versatile for various musical styles.

Can the Walrus Audio Monumental Stereo Harmonic Tap Tremolo be used in a stereo setup?

Yes, this pedal is designed for stereo use with two 1/4" TS inputs and outputs, allowing you to create immersive stereo tremolo effects.

What type of power supply does the Walrus Audio Monumental Stereo Harmonic Tap Tremolo require?

The pedal requires a 9V-12V DC 100mA power supply, which is sold separately.

Does the Walrus Audio Monumental Stereo Harmonic Tap Tremolo support tap tempo?

Yes, it features a 1/4" input for tap tempo or expression control, allowing you to sync the tremolo rate with your music.

Is the Walrus Audio Monumental Stereo Harmonic Tap Tremolo suitable for live performances?

Absolutely, with true bypass switching and the ability to save presets, this pedal is well-suited for live settings, providing reliable and versatile performance.

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Walrus Audio Monumental Stereo Harmonic Tap Tremolo.

Features and functionality

  • The Monumental includes a pan control for stereo spread, unique among tremolos, enhancing its appeal for stereo rigs.

    Source
  • Offers both standard and harmonic tremolo modes with the ability to blend between them, providing versatility in sound shaping.

    Source
  • The pedal can function as a boost by turning the depth down and cranking the volume, a unique design choice by Walrus Audio.

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  • The square wave setting effectively achieves the aggressive "helicopter chop" effect, appealing to users seeking hard tremolo cuts.

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  • The Monument's harmonic mode can noticeably brighten the tone, potentially problematic for players who prefer a warmer sound profile, such as those using a Strat with the tone rolled off.

    Source

Comparisons

  • Owners compare the Monumental's harmonic tremolo to the JAM Harmonious Monk, noting the Monk's superior musicality despite fewer features.

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  • Compared to the Supro Harmonic Trem, the Monument is described as more neutral, with a less pronounced EQ shift and the ability to maintain note clarity above the twelfth fret.

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User experience

  • Some users report high-end signal degradation when the effect is turned off, which could be a deal breaker for tone purists.

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  • Users report the LED brightness as excessively intense, even when the pedal is bypassed, leading to dissatisfaction despite the sound quality.

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  • Some owners experience an issue where the effect does not activate until the depth knob is adjusted, indicating possible setup inconsistencies.

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  • Owners have noted that the LED lights are excessively bright and remain so even when the pedal is bypassed, leading some to cover them with tape for a more comfortable stage experience.

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Value and pricing

  • The new Monumental is priced at $280, whereas some users have purchased previous versions on sale for as low as $115.

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Other

  • The Monumental's new black "retro" artwork is preferred over previous designs, enhancing its aesthetic appeal for some users.

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Use cases and applications

  • Listening to records like "Bang Bang" by Nancy Sinatra is suggested to better understand and apply tremolo effects creatively.

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Setup and maintenance

  • Running the pedal at 18V significantly increases headroom, addressing clipping issues when used with overdrive or distortion pedals.

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Mods and upgrades

  • Users suggest experimenting with placing the Monument before or after reverb in the effects chain to achieve different tonal characteristics, particularly when addressing brightness or clipping issues.

    Source

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Artist usage

Add artist
See how Dave Powys uses Walrus Audio Monumental Stereo Harmonic Tap Tremolo

Dave Powys

Guitarist

The Paper Kites

...
Verified via Photo

In an Instagram post from February 2025, a screengrab reveals that guitarist Dave Powys uses a Walrus Audio Monumental Stereo Harmonic Tap Tremolo pedal. The pedal is visible on his pedalboard, positioned on the top row, second from the left when facing the board. The Walrus Audio Monumental Harmonic Stereo Tremolo pedal is available in Black or Orange variants with slightly different artwork, and Powys is seen using the Orange variant in the photo.

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 Monumental Stereo Harmonic Tap Tremolo, it is most commonly used with the following gear.

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