You may want to also consider the NAD M52 DAC. It's the equal of the PWD MK2, with differences mostly to do with synergy rather than anything else.
I recently sold my PWD MK2 to a local Audiogon member who has it paired with a Yamaha A-S2000 integrated stereo amp. It sounded better in his system and his Harbeths than it ever sounded in my system with NC400 mono blocks and Selah Tempesta speakers.
On the other hand, albeit after only a day of listening, my very recently acquired NAD M51 sounds better direct to the Hypex NC400s than the PWD MK2 did.
Highly recommend both the PWD MK2 and the M51.
I recently sold my PWD MK2 to a local Audiogon member who has it paired with a Yamaha A-S2000 integrated stereo amp. It sounded better in his system and his Harbeths than it ever sounded in my system with NC400 mono blocks and Selah Tempesta speakers.
On the other hand, albeit after only a day of listening, my very recently acquired NAD M51 sounds better direct to the Hypex NC400s than the PWD MK2 did.
Highly recommend both the PWD MK2 and the M51.