4K Blu-ray players are mostly for playing 4K Blu-ray discs. You might not realize that your 4K Blu-ray may already be the best CD player that you own. Sony UBP-X700Your 4K Blu-ray player is a good CD playerThe more you knowI would argue that the main selling point of a CD player is the superb quality. If you're okay with that, then you'll get a lot of mileage out of your 4K Blu-ray player. I think the gap is a bit larger when you use your PS5 as a 4K Blu-ray player.