Hey, all
I listen my DX3 Pro with Fostex T60RP headphones.
In low gain mode the sound seems not enough loud for me - I am normally close to 0dB level. That's high gain which helps.
Fostex T60RP are 50 Ohm impedance and 92 dB/mWatt sensitivity...
DX3 Pro is connected via USB to PC
PC is on Linux...