I recently set up a $50 ECHO Diretta Target for a friend, and found it to be at least as good as the RPi4 I've truly enjoyed for the past year.

This is a reminder that their special €25 license fee is said to disappear on the 1st of September. Instructions HERE

Server: Audiolinux Roon NUC w/HAF room correction and crosstalk cancellation
Theater: 218, Allo Signature, miniDSP, HD621, C61R, DSP5200SEu, 420, 33, NHT subs
EtherREGEN w/Finisar fiber, Shunyata Denali
Living Room: RPi4 Diretta Host & Target, Ghent USB > Singxer SU-6 > AES NA M-Links > DSP9
Shunyata TritonV3, LHY lps, Farad Super3, Stack AUVA feet