I recently received a pair of Audeze Sine DX in a trade, and purchased 3D adapters and over-the-ear earpads for them. I like the sound of them (though I'm dealing with what I guess is driver flex in the right ear; I've emailed Audeze about this and am awaiting a response) and love their...

Right now I have three items as listed below. 1) Audeze iSINE 20 2) Audeze SINE (close) 3) Audeze SINE DX (open) I always use Dragonfly RED as my primary DAC/AMP and planning to sell ONE of my current rig for a money reason. I want to ask for your opinion. Which item shall I sell?