Faudio Fa4 Firmware Upd Now

Unzip the downloaded firmware package on your computer.

In late 2024 / early 2025, Faudio dropped a (v2.1.0 as of this writing) that re-tunes the low-end to be more controlled, adds a slightly smoother upper midrange, and fixes some channel matching issues below 50Hz. faudio fa4 firmware upd

Do not skip these steps.

: Place the file in the root directory of the SD card, insert it into the Unzip the downloaded firmware package on your computer