I get these to use with my 80 gig i-pod while work out at the gym and while work around the house . the sound be fantastic , though a bit on the bass heavy side -lrb- not that I really mind - it be kind of a rare attribute for smaller headphone , in my experience -rrb- . so far , much of what I have be listen to be alternative and hardcore punk -lrb- which can have a lot of issue with sound quality , depend on the band and release -rrb- so I do not have any feedback on how they sound with the baroque\/classical side of my music collection as of yet . I have also notice that the battery on my i-pod last a long time drive these phone at moderate to higher volume . my sennheiser hd202 's - though they sound great on the i-pod , suck the life out of the battery fast . the single cord be great -lrb- though it be so skinny I worry a bit about break it in a rough environment if it snag on something as I walk past -rrb- , and since I keep my i-pod in my pocket while working\/working out , I actually prefer the straight plug to a angled plug - I do put a bit of heat shrink tube on the strain relief to extend and strengthen it since newer phone suck when it come to soldering on a new plug . heat carefully if you decide to do this so you do not melt the cord ! the phone look and feel great quality-wise , and although I love the folding design for storage , I feel a need to keep they in a drawer when not in use because accidentally sit on they or set something down on they look like it would break they . one other thing - I have a big head -lrb- resist the urge to exaggerate ! -rrb- and extended listening can hurt the ol' bean a bit at time . overall a fantastic set of headphone that I highly recommend purchase if you want a great-sounding alternative to those awful oe i-pod earphone .