You need the A50 Gen 4 for PC/PS4/PS5 or the A50 Gen 4 for Xbox/PC. They are hardware-identical except for the Xbox-specific security chip. Firmware is largely the same but distribution differs.
Most users assume that audio quality is static. Once you unbox the headset, that is the sound you get. That is false. Astro (now part of Logitech) continuously releases firmware updates to: astro a50 gen 4 firmware download extra quality
It seems you're looking for the firmware, possibly from a source labeled "extra quality" (which might indicate a third-party or modded firmware). You need the A50 Gen 4 for PC/PS4/PS5
: Ensure the switch on the back of your Base Station is set to PC , not Console, during the entire update process. Most users assume that audio quality is static
: If the headset isn't being recognized, hold the Dolby button and the Game side of the Game/Voice paddle simultaneously for 15 seconds while the headset is powered on.