I recall picking up a pair of these for a fiver since I wanted something a little better than earphones but didn't want to walk around with studio headphones on. This being said I still got a few cyborg remarks from my friends :). Sound quality wise these sound pretty good. They're not uncomfortable either. Though it's when you take them outside that you may feel a little disappointed - noise-wise they keep very little out. Plus if you crank the volume (or bass) to compensate the trebles start to 'flanger'. This being said I can't really fault them otherwise. If you're just going to be using them in-doors, out on a countryside walk or ...  Read the complete review

My husband bought a pair of these as part of his search for Headphone Nirvana. I've wound up using them more, though, and while I can't give a detailed technical review, I can vouch for them as excellent headphones. I use the Koss clip-ons mostly at home, typically while playing games on the laptop while my husband watches TV. The high-quality sound reproduction means I don't have to crank the volume way up to get immersive sound through the headphones in a room where there is some competing background sound - which is good for my hearing, but also means that others in the room aren't bothered by sound coming from my headphones. They do seem to maintain the sound ...  Read the complete review

I bought Koss KSC75 headphones from Amazon for about £15. I have been using these headphones for 3 years now, and I have yet to find any headphones that perform better than Koss. --Description:-- This is the official manufacturer's product description from Amazon.co.uk The KSC75 features dynamic elements for an exceptionally wide frequency response from 15-25,000 Hz. A 2 mil. titanium coating on its diaphragms increases the rigidity of the element, minimizing mechanical distortion and ensuring exceedingly accurate sound reproduction. Computer-optimized neodymium iron boron rare earth magnet structures allow the KSC75 to deliver greater ...  Read the complete review