Yep. Sounds like MHR or 96/24. Maybe select a DSP5000 and says its not 96/24 capable. Not sure if this will turn of MHR.

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