These headphones sound terrible, Not worth the price. I listened via an audioquest Dragonfly Red, Schiit lyr 2 and an Audio-gd nfb-1. Nothing can save these. Save a little more for the HE-4xx...
My issue is with build quality with the plastic yoke. I had to return my HE560 due to snapped yoke... The 4xx is metal yoke and gimbal. I would think there are better and more durable dynamic driver cans that u can pick up used for less than 100 bucks.
all my 5 and 6 series sennheisers are what i use for mobil. They are bullet proof.
unfortunately for me, most of my audeze and hifiman planars never leave the house :/
I should have said there are better sounding and better built dynamic driver cans for 100 bucks..but that is just my opinion. I am also one of those guys that thinks m50s are way overhyped. I do realize that i am in the minority. My apology for my negative comment
Aztekthe 4XX also has many problems. Try this.
Buy HE350..broke....buy HE4XX...broke.....buy HE560....broke....buy Ananda...broke...buy HE1000....broke...buy Susvara....broke