Never heard Aune m2 but i'm pretty sure I avoided all Aunes due to no EQ on any model.
The ihifi990 is perfect for brutal Metal or the identical (but black ) ATC HDA-DP20 an amazing sounding dap with some expensive components not even used by my expensive players.
The ihifi990 is perfect for brutal Metal or the identical (but black ) ATC HDA-DP20 an amazing sounding dap with some expensive components not even used by my expensive players.