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Should I drop some money on an amp/DAC or buy these headphones? My headphones right now are the HE-400i.
drop the doe man on a dac/amp you wont regret it for the 400i.... i have the massdrop 4xx and i feel it needs the amp at 38 ohm .
it's the efficiency of 93dB. so you need power to get it to the same volume as something with a higher efficiency.
I'll try the xDuoo TA-01. Thanks