For the price, these headphones have incredible sound quality. Compared to other headphones like the HD 650, this is by no means an 'inferior' headphone just different. Superb soundstage and bass and treble capabilities. out of the box the highs mids and lows are well balanced.    Comfort is 5 stars, light and comfy. The headband is pleather, don't know if it will discolour/rot off over time. Some reports that the wood is real but I doubt it. Absolutely love the retro premium style to bits, needs to win an award for one of the best looking...

  The Momentum have a great classic retro quality style and fantastic sound to boot. Out of the box, the headphones are setup for a great listening experience for a majority of my music including R&B, classical, rock, Jazz, 80's, 90's, trance. Of couse, with a DSP you can tune it to your liking and the Momentum handles it very well. The case, although big, offers the protection it deserves. Not sure how Senn could have done that differently. Something unadvertised is the "noise-isolation" resulting from the ear cups - it actually works just as well...