i have checked one sony headset , i dont know model but the sound was really good . hey but i can buy can any music player/ ipod earphones they work ( i have have tested few philips and sennheiser earphones in an electronic store ) .
i also want 2 tell u that there was one sennheiser earphones ( i dont remember model no ) around 20 -25 $ ( after converting in US$) . the sound was simply awsm( bass and everything perfect) . trust me u will throw the inbox earphones after listening to them , will definately tell u the model no the next time visit .