Have this miced to an acoustic guitar. Very nice quality. We love this rack! The piece that goes into the phone broke from the cord and got stuck in the phone. Fit like a sock (glove). They sound absolutely fantabulous. I did a lot of testing between the two and found the sound they are indeed very different with different characteristics geared to the user with different needs. I use them for gaming and music (listening and production),and can confidently recommend these to anyone in the market for a good set of open back headphones. The fold action is smooth and has an expensive feel. I purposely waited until I had worn these 5 times to give a review.