To get the most out of the FA4, proper physical installation of the cables and nozzles is required.
The Faudio FA4 is a compact, high-resolution USB DAC/Amp known for its ESS chipset and low power consumption. Like any digital device, occasional firmware updates are released to fix bugs (e.g., volume glitches, sample rate switching, or UAC1/UAC2 compatibility for gaming consoles). faudio fa4 firmware install
Below is the official method to update the firmware safely. To get the most out of the FA4,