DPM makes a huge difference when using pass-through mode but doesn't make a difference for the normal modes at all (at least not on mine) so it it turned off since I did not have to use the pass-through function any more when I moved from home theater to only stereo.
Devialet 220 Expert Pro CI | Sonus Faber Olympica II | Crystal cable speaker cables, interlink and power cables | ROON Rock on Intel NUC | Netherlands