I've been using this device for many years, with great success. It is is many of the audio products I have designed for clients.
For the output filter I've always used radial through-hole inductors until now. Like this type:
I was wondering if something like this would be a suitable component, if I'm going for SMD components:
https://uk.farnell.com/wurth-elektronik/744045220/inductor-1812-case-22-0-h/dp/1800414?st=744045220
