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Reverb · Walrus Audio

Walrus Audio Fathom

The Fathom is a digital reverb pedal offering four distinct algorithms including hall, plate, lo-fi, and sonar modes. It features a modulation toggle and an X parameter for deeper sound shaping.

  • 9V DC · center −
  • 100 mA
  • Buffered bypass
  • Digital
  • Mono
New
from $183.85
Used (asking)
from $125

The rundown

Highlights

  • Four reverb algorithms: hall, plate, lo-fi, and sonar
  • Modulation toggle for adding movement to reverb tails
  • X parameter control for algorithm customization
  • Buffered bypass with spillover capability
  • Runs on standard 9V DC power or battery

Best for

Players seeking a compact reverb pedal with multiple algorithm options and modulation capabilities.

Quick facts

Power
9V DC
Current draw
100 mA
Polarity
Center negative
Bypass
Buffered bypass
Dimensions
66 × 125.7 mm
Stereo
No
Status
In production

Where to buy Walrus Audio Fathom

$183.85 lowest new price · Reverb

Used listings asking $125–$180, median $165 (9 listings). Asking prices, not sold prices.

Current offers
SellerConditionPriceLink
ReverbUsed$125View
ReverbUsed$133.18View
ReverbUsed$165View
ReverbUsed$165View
ReverbUsed$165View
ReverbUsed$175View
ReverbUsed$180View
ReverbNew$183.85View
ReverbUsed$195View
ReverbNew$213View

Prices last checked 21 hours ago. Links to sellers are affiliate links.

Frequently asked questions

What power does the Fathom require?

The Fathom runs on 9V DC at 100 mA, center-negative, and is battery-compatible.

Does the Fathom have true bypass?

The Fathom uses buffered bypass, which allows spillover of the reverb effect when the pedal is switched off.

What are the pedal's dimensions?

The Fathom measures 66 x 125.7 mm.

Similar pedals

Same type, similar features.

Specs from pedalfilter. Summary written by PedalBro from those specs and public descriptions.

Page last updated September 29, 2026.