thanks. well if they're fine on the notoriously quiet ipod, they shud be great on the creative. thanks for all your help

ok cheers. i imagine thats pretty powerful, and i only really use them when walking/in a car. so dont need them hugely powerful. thanks for this advice.

i use a creative zen vision:m 30gb, which i consider to be pretty powerful. I was just wondering whether the portapros would be adequate volume-wise? People seem to rave about the quality, but i'm not sure whether this includes volume. thanks

Hi, just bought a pair of these upon recommendation. Does anybody know whether they are loud when using with an mp3 player, and whether this is adequate? I ask because they appear to have a lower sensitivity that the free ones you are supplied with. I don't want a pair of headphones that are...

Hi, does anybody know the specification (sensitivity and impedance) of the free headphones you get with the creative zen vision:m? thanks

ye, they are 15hz-25000mhz, 103dB and 60 ohms, compared to the free ones which were a lower sensitivity and impedance. so basically, your saying that my new ones will play louder and use less power as a result?

hi, this may be a question that all you experts have answered a million times, but as a newcomer in the world of sound, i was wondering: do higher impedance headphones use more power from my mp3 player? i have just bought a pair of koss portapros for my creative zen vision:m, and was wondering...