I needed a player that handled old DVD's as well as Blu ray and

The interface is pretty bad but it does play Blu-ray well

An analogy is 4k is like looking out a clear window or no window at while a blue ray is like looking out a dirty window.

and then the blue ray movie was as sharp as my other blue ray players

Great 4k UHD Blu-Ray player at a reasonable price.

Versatile blue-ray player, great 4k up-scaling for legacy blue-ray disc

This is a great 4k blue ray player as I would expect from Sony

Excellent 4K Blu-ray

However everything works as it's supposed to when plugged directly into the TV