Pricing and availability

We compare 600+ stores and found this item at 8 stores. Prices updated .

Amazon
4.5 (219)
$99.00
Reverb
$99.00 New
$65.00 Used
Thomann
4.5 (2)
$132.00
Gear4Music
£125.50

Average Price: $99

Standard/Professional

$50

$176+

Price Tier

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Standard

High-end

Price History

Based on price data from 5 merchants for "Walrus Audio Fundamental Series Tremolo Pedal". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Introducing the Walrus Audio Fundamental Series Tremolo Pedal, a perfect blend of tonal integrity and user-friendly controls. A fit for both newcomers to the effects pedal world and seasoned professionals, this pedal offers a spectrum of sounds that can carry you from your first jam session to a packed concert hall. The pedal's core is built on the legendary classic tremolo circuits, delivering a rich and authentic tone that's hard to match.

With the three-way switch, you can toggle between Sine, Square, and Random modes, each offering a unique sound and vibe. The three sliders allow you to customize the speed, mix, and depth of the tremolo effect, putting the power of sound design directly in your hands. The settings are easily readable via sliders, making it simple to adjust on the fly. Whether you're looking for a subtle shift in your sound or a dramatic tremolo effect, this pedal has got you covered.

Key Features:

  • Part of the Walrus Audio Fundamental Series
  • Tremolo effects pedal with three different modes: Sine, Square, Random
  • Analog opto tremolo based on classic tremolo circuits
  • Three sliders for controlling Rate, Mix, Depth
  • Easy readability of settings via sliders
  • Switch for changing tremolo modes
  • Foot switch for On/Off
  • Input and output: 6.3 mm jack (mono)
  • Connections on the top
  • Powered by 9 V DC power supply unit (not included)
  • Made in the USA
  • Note: Battery operation not supported.

Product specs

Pedal Type Optical Tremolo
Analog/Digital Analog
Effects Sine, Square, Random
Inputs 1 x 1/4"
Outputs 1 x 1/4"
Power Source 9V DC power supply (sold separately)
Power Usage 100mA minimum
Height 2.25""
Width 2.35"
Depth 4.75"
Weight 0.5 lbs.

FAQs

What types of tremolo waveforms does the Walrus Audio Fundamental Series Tremolo Pedal offer?

The Walrus Audio Fundamental Series Tremolo Pedal provides three waveform options: Sine, Square, and Random, allowing for a range of tremolo effects from smooth and subtle to choppy and unpredictable.

Is the Walrus Audio Fundamental Series Tremolo Pedal analog or digital?

The Walrus Audio Fundamental Series Tremolo Pedal is an analog pedal, offering warm and organic tremolo effects characteristic of analog circuitry.

What power supply is required for the Walrus Audio Fundamental Series Tremolo Pedal?

This pedal requires a 9V DC power supply with a minimum of 100mA, which is sold separately.

How does the Walrus Audio Fundamental Series Tremolo Pedal connect to my guitar setup?

The pedal features a single 1/4" input and a single 1/4" output, making it easy to integrate into your existing pedalboard and signal chain.

Can the Walrus Audio Fundamental Series Tremolo Pedal be used for live performances?

Yes, with its compact size and robust construction, the Walrus Audio Fundamental Series Tremolo Pedal is suitable for live performances, offering reliable tremolo effects on stage.

Andertons Music Co

Andertons Music Co

Boutique Pedals for Less? - Walrus Audio Fundamentals Series

Video thumbnail for Boutique Pedals for Less? - Walrus Audio Fundamentals Series by Andertons Music Co

Boutique Pedals for Less? - Walrus Audio Fundamentals Series

Andertons Music Co

Andertons Music Co

Video thumbnail for Walrus Audio Fundamental Tremolo Tech Demo by walrusaudioeffects

Walrus Audio Fundamental Tremolo Tech Demo

walrusaudioeffects

walrusaudioeffects

Video thumbnail for Boutique Pedals Everyone Can Afford? | Walrus Audio Fundamental Series | Fuzz Reverb & Tremolo by TheGuitarGeek

Boutique Pedals Everyone Can Afford? | Walrus Audio Fundamental Series | Fuzz Reverb & Tremolo

TheGuitarGeek

TheGuitarGeek

Video thumbnail for Walrus Audio: Fundamental TREMOLO. No-Chat Demo by Brett Kingman

Walrus Audio: Fundamental TREMOLO. No-Chat Demo

Brett Kingman

Brett Kingman

Reviews

Critic Reviews

Walrus Audio Fundamental Series Pedals review | Guitar World

guitarworld.com

The Walrus Audio Fundamental Series Tremolo Pedal shines with its stylish design and solid sound quality, offering three distinct wave shapes for diverse tonal options. The compact size makes it a pedalboard favorite. However, the side-mounted power socket can disrupt a neat pedal arrangement, which is a notable downside. Overall, this pedal delivers great versatility and functionality, making it a worthwhile addition for both beginners and pros alike.

positive

Walrus Fundamental Series pedals review | MusicRadar

musicradar.com

The Walrus Audio Fundamental Series Tremolo Pedal delivers a warm, dynamic sound that appeals to both novice and experienced players. Its unique three-mode slider design makes dialing in tones intuitive and visually accessible. However, the side-mounted power input is a less-than-ideal choice, creating potential compatibility issues with pedalboards. While it excels in creating smooth and choppy effects, the absence of a tap tempo function is a noticeable omission. Overall, it’s a standout option for those seeking versatility in a compact format, but it’s not without its quirks.

positive

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Artist usage

Add artist
See how Mac McCaughan uses Walrus Audio Fundamental Series Tremolo Pedal

Mac McCaughan

Guitarist, Drummer

Superchunk

...
Verified via Photo

In a photo taken at a live performance on September 9, 2025, Mac McCaughan can be seen using the Walrus Audio Fundamental Series Tremolo Pedal on his board. Source Image

Genre Usage

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Used With

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