I'm trying to decide between the Corda Classic FF, Corda Jazz FF, Audeze Deckard, or the Matrix M-Stage HPA-3U that the Deckard is based on. I have Hifiman HE-500s and Noble Djangos, but I have an Oppo HA-2SE for the latter and that I would use as a DAC for the models listed above with no...

I recently purchased the hifiman HE-500 after years exclusively using my UE TF10s and I was completely blown away by the sheer superiority in every quality of sound I could imagine.  My biggest concern with my purchase is that I can't listen to the HE-500 on-the-go, but I am sad to say that I...

Without getting into the details, I'm looking to buy the Hifiman HE-500, but my current amp (a DIY cmoy) is clearly insufficient.  I'm looking for an amp or DAC/amp for under $200 that can at least passably serve to power the HE-500 until I can afford a better setup.  I actually preordered the...