According to here, the maximum output Vrms of the D3 is 1.39:
"Max voltage output at 0 dBFS, VRMS 1,39
Max voltage output at 0 dBFS, dBV 2,87
Max voltage output at 0 dBFS, dBu 5,09"
Do you think this is enough? I read somewhere that the output voltage might affect the dynamic range or...