Walrus Audio ACS1 MKII firmware

Walrus Audio active Released 22 Apr 2021

Latest firmware: 2.0

2.0

Last checked 11 Sep 2026

Download 2.0 from Walrus Audioopens in a new tab — walrusaudio.com

How to update the Walrus Audio ACS1 MKII

Update via walrusaudio.io in Google Chrome with USB-C cable. Custom IRs (WAV, 48kHz, 24-bit, mono, ≤200ms) can be loaded via the same web app. Update erases saved presets.

What you need

walrusaudio.io — the software Walrus Audio uses to load firmware onto the Walrus Audio ACS1 MKII. Download links below.

Just for reference. For complete and up-to-date instructions, always refer to the manufacturer's official firmware page.

Drivers & software for the Walrus Audio ACS1 MKII

The Walrus Audio ACS1 MKII is updated with walrusaudio.io, published by Walrus Audio.

Download walrusaudio.io from Walrus Audioopens in a new tab — walrusaudio.com

Get Walrus Audio ACS1 MKII firmware alerts

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Walrus Audio ACS1 MKII firmware update history

Changelogs summarised from the manufacturer's release notes.

2.0 Release notesopens in a new tab — walrusaudio.io

Tracked in 2 rigs on FW//RADAR.

Walrus Audio ACS1 MKII manual & official pages

Walrus Audio ACS1 MKII firmware FAQ

What is the latest firmware for the Walrus Audio ACS1 MKII?

The latest firmware for the Walrus Audio ACS1 MKII is version 2.0. FW//RADAR last checked Walrus Audio's official page on 11 Sep 2026.

How do I update the Walrus Audio ACS1 MKII?

Update via walrusaudio.io in Google Chrome with USB-C cable. Custom IRs (WAV, 48kHz, 24-bit, mono, ≤200ms) can be loaded via the same web app. Full instructions on Walrus Audio's official firmware page.

What software do I need to update the Walrus Audio ACS1 MKII?

You need walrusaudio.io, available from Walrus Audio's support site.

Where can I download Walrus Audio ACS1 MKII firmware and drivers?

Directly from Walrus Audio's official firmware page — FW//RADAR links to the source and never hosts firmware files. Official firmware page →

Where can I find the Walrus Audio ACS1 MKII manual?

The official Walrus Audio user manual is a PDF hosted on cdn.shopify.com. Walrus Audio ACS1 MKII user manual (PDF) →

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