Please remember that the Meridian Prime/PSU combination is great Pre-AMP to drive your G55's in Stereo.
Use Analogue out of your 568.2 MM into the Prime and you are ready to go.
Enjoy!

Meridian MC200, Naim NAP 200, NAD C658, Duelund DCA 16 GA Speaker Cable, SPEC RS901EX Real Sound Processor, Harbeth Compact 7 es-3, Roon Nucleus Plus, Schiit Wyrd, Audioquest NightHawk, Audioquest Dragonfly Red, Bowers & Wilkins Signature P9, Roon
Bluesound Powernode 2 i, Guru QM 10