A: Yes, but you will lose 3D audio if you use USB alone. With the latest firmware (v40372) , you can use USB audio for Tempest 3D. Older firmware requires an optical adapter.
: Your first stop should be the Logitech G Support page or the Microsoft Store to download the Astro Command Centre . astro a50 gen 4 firmware link
To update your ASTRO A50 Gen 4 , the most reliable method is to use the ASTRO Command Center (ACC) Microsoft Store A: Yes, but you will lose 3D audio if you use USB alone
The most reliable way to obtain the latest firmware for your Astro A50 Gen 4 is through the Astro Command Center (ACC) astro a50 gen 4 firmware link
To summarize: The only safe, official source is the Astro Command Center software .