There haven’t been too many top of the line portable DAC/Amps that have tried to compete with the Chord Hugo 2. The DAC and headphone amplifier came out in 2017, and has reigned supreme ever since. At $2,500, the Hugo 2 is a versatile piece of equipment that pushed boundaries upon its release. But now iFi, who have also ventured into the portable high-end market with the Diablo 2, has released the iDSD Valkyrie.