Many of these devices convert analogue inputs to digital. The Benchmark does not do this but it's not clear if the Project does. Naim do this with their Novas and t/t does not sound great.Thanks, will look at that.
The Pro-Ject kit looks well specc’ed.
https://www.project-audio.com/en/product/pre-box-rs-digital/
and this, perfect, but no XLR out
https://www.project-audio.com/en/product/pre-box-ds2-digital/