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The Koss Porta Pro KTC headphones are, as implied by the name, very much street wear, but we doubt whether anyone would consider them as being all that stylish. Instead, these spidery affairs are quite utilitarian, but also quite affordable. They are a variation on the Koss Porta Pro 1, which are AU$40 lower in cost, but lose the iPod remote control. If you're using a non-Apple music player, you might as well save the money.
They come with a soft carry case, and the earpieces fold quite compactly into the narrow metal band so that they can fit inside. The cable is fixed, and it separates into two below your chin for connecting to both earpieces. The left-hand one carries the aforementioned remote control, which doubles as a microphone, primarily for use with an iPhone. No 3.5mm to 6.5mm adapter plug is provided.
We love the concept of the remote (an iPod Touch or iPhone takes too many steps to pause playback), but I found it harder to master this one than similar models. That's because the control buttons all felt the same. The play/pause/multipurpose key was situated in the middle, between the up and down volume keys, as seems to be the norm. But estimating the middle position of a 4-centimetre control is surprisingly hard. Yet, just as we were about to give up after eight or 10 hours of use, we suddenly seemed to master it. Still, keys that feel different to the fingers would be preferable.
The headphones were quite comfortable to wear. They are "on-ear" types, but the pressure is not strong. The headband is a thin, unpadded metal strip, which ought to be uncomfortable, especially to one challenged in the hair follicle department. But the headphones were actually quite comfortable, and despite the low pressure, they held on quite well to head movements. I put this down to their very low weight: just 67 grams, including the cable.
There are pads that sat near our temples, and these had adjustments labelled from "Light" to "Firm". These "temporal" pads were useless on my head, which I like to think isn't too misshapen, because regardless of the setting or the adjustment of the headphones, these pads didn't actually touch my temples.
Switching between this and some other street headphones, it was clear that the Koss Porta Pro KTC headphones were noticeably lower in output for a given volume setting. This would be due to a modestly high impedance (higher impedance means lower current for a given voltage output, which means a proportionately lower power output) and a slightly lower sensitivity. On the specifications Koss gives (101dB/mW and 60 ohms impedance), they should top out on a typical iPod Touch or Nano (which produce around 1 volt maximum) at about 113dB. If you're determined to do damage to your ears, then these probably aren't the headphones for that.