MC200 SPDIF is output not input.

You want the buffering on whatever MC200 is connected to, not the MC200 itself.

Meridian owner since 1992
Prime & PSU, Focal Elear headphones, Roon (ROCK 8Gi5 NUC), Explorer 1 & 2, F80. 200/203, various Sonos (via Roon).