ASTRO Gaming on Twitter: "No optical port, no problem. Peek our setup blog to see your PS4 Slim connection options: https://t.co/ZXFTVC4vt6 https://t.co/FeuumX8ov9" / Twitter
You can still use your Xbox a40 setup on PS4 : r/AstroGaming
How to use Discord with your PS4/XBOX - Astro A40TR Example — Chris Wilmshurst