Great, we'll look forward to your comparison between the powerful Neco V4 and KM01-BRASS then.
There's another super crazy high power amp card for HM-901/HM-801 to be available in 2014 and that should be called U235 card with whopping 6V output
How do we actually know whether that's too much power to damage another amp's input or not?
Besides, is triple-amping causing any potential problems?
HM-901 headphone amp card > KM01-BRASS > ALO The International
About your question I will answer by tomorrow
I am sorry , I have not tried your dsd music file to drive my abyss