Headphone amplifier with balanced in and pass-through

[Ariamella]

I'm looking for a headphone amp with balanced-in and pass-through. I don't have many requirements other than a budget of around £200 max, but it'll be used with my Audient iD4. Currently looking at the Topping L50 but after the recent Topping drama I have second thoughts about buying their products again, so I'm wondering if there are any other options around my price range or slightly higher.