I have some Sony MDR-ED21 and the quality is brilliant, far better than the iPod ones, i did play really bassy songs and eventually the iPod ones blew up so i bought these and so far even on my computer stereo they seem realy good quality
* New Groove Shaped Earpiece provides wider frequency and better wearing comfort
* Bass Booster delivers strong bass
* Neodymium Magnet
* Sony acoustic twin turbo circuit
* Long bushing for comfortable fitting
* Thinner housing for comfortable fit
* Y shape cord
* 16mm Drive Unit Neodymium Magnet
* Pouch Supplied
All for £18