audio interface

Is 4K audio recording a gimmick or does it hold a bar in recording. Looked into SSL 2+ interface with 4K audio recording interface. It looked legit so i am thinking of investing into it need you guyyy is opinion on it any help will be Appreciated Thank you PS buying the interface from a store...

Hi guys, my 1st post here! I just created my profile, but I use to read stuff here a lot. I need help to understand a few things about sound quality and guitar recording in general. But first, let me introduce myself... I play guitar (not much) for a few years already. Have no band (death metal...