DavidA from hf has loaned me his beautiful Nhoord Scarlett build. He received the prototypes from Nhoord to share. It will be hard to pass these along! They are designed for G cushions or the Zonk equivalent. They deliver in spades. Bass isn't TH-X00 level, but it does sound very natural. Great texture and snap. Mids are not forward or recessed. Cymbals aren't tizzy. They stand out a bit, but not to the point of distraction. You can definately hear a difference between the different cymbals. They don't sound like mp3 compression like some Grados do. I would say that overall, these are a sizable step up from my un-modded HD650's. One of my favorite aspects of 650's is the comfort. These lightweight wood housings with G cups make the headphones almost disappear. Tracks listened to so far: The Way You Used to Do - QOTSA Entire self titled debut album - QOTSA On We March - The Social Network soundtrack Lateralus (album) - Tool Run - Foo Fighters Everlong - Foo Fighters Songs for the Deaf (album) - QOTSA Various tracks from The Smashing Pumpkins, Royal Blood, Black Sabbath Most are lossless alac ripped from cd. I just used my iPhone 6 so far, Modi MB and Magni Uber tomorrow.