- Schitt Mjolnir v3 preamp ($1200) Class A with headphone amp. I use it as a preamp since my phones are unusual.
- Schitt Yggi+ LIM ($2200) | Schitt Yggi+ MIB ($2800) | Schitt Gungnir 2 ($1600)
The DACs I recommend depend on what your headphones sound like. If they are warm, then the MIB. If they are neutral or bright then the LIM or Gungnir 2. The Gungnir 2 is cheaper and uses the same DAC chips as the LIM.
I have the Mjolnir and use it with the Schitt Aegir v1 ($450 used) amp and the RAAL CA-1a and RAAL SR1a phones. Both phones are bright. The Mjolnir | Aegir | Yggi+ LIM are glorious and only bettered by my $7k RAAL VM-1a tube headphone amp + Schitt Yggi+ OG ($2800). A lot more money for marginal improvement.