Walrus Audio ACS1 MKII
Current Firmware
2.0
Update via walrusaudio.io in Google Chrome with USB-C cable. Firmware 2.0 (Aug 2023) rebuilt all amp models. Custom IRs (WAV, 48kHz, 24-bit, mono, ≤200ms) can be loaded via the same web app. Update erases saved presets.
Firmware page →