A little pricey, but the sound is very high on the list of best headphones out there... Sadly aftermarket pads improve things even further. Would be nice to have a more dense pad with similar improvements stock.
Cable is frustrating as the headphone feels relatively cheap and the cable is fixed at the ear cups. So damage will mean a new headphone. The lightness does make them comfortable though however the band adjustment is pretty loose and could offer more secure adjustments.
The amp is lightweight also, but a bit more weight would make it more stable on a desk as cords can easily shift it.
Sound wise i find these a nice upgrade in most ways to the Sennheiser hd600. The sub bass is their weakness, but it's still decent. Everything else especially with vesper pads is top notch - neutral, clean, smooth, high def sounding...