Rating: - Well worth the money...
It's true you get what you pay for when you pay for audio equipment. I own a pair of Sennheiser HD25 headphones for DJ'ing, there £125. So I knew Sennheiser were a good brand. But I was curious at the difference between the quality of the two.

I have a new ipod nano 4th gen, and wanted some new headphones, because the Apple ones are very poor. When i've been on the train home I have struggled to hear my movie... I have since bought this Sennheiser headphones and they are a whole lot better especially for under £20... Your safe spending your cash here if your just after some Ipod headphones.

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Rating: - Appalling headphones
I bought these after my Sony in-ear headphones started to fail me, (actually a great pair of headphones with brilliant sound quality until they broke) these seemed a fair enough buy with them not being too expensive but it turns out this was a mistake!These headphones are terrible, the sound quality is incredibly tinny, with a good deal of background 'buzz'. Even when they aren't actually playing anything and just plugged into your iPod/ laptop etc, they still produce a great deal of buzzing.

They feel cheap and seriously not worth the money! Spend the extra few pounds and opt for something of better quality! I really wish I had!

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Rating: - Mine have already broken
I can't have got these headphones more than 2 months ago, and already they are about 5 times quieter than they were when I bought them. In a crowded room I can barely hear anything, I need absolute silence, so obviously I can't listen to my music whilst travelling at all. My friend has a pair of Sennheisers and says they are really good so I may have just bought a faulty pair.

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Rating: - Superb not superseeded by newer models
If your not interested much in earphones, and simply want to get a cheap, quality earbud this is it. The sound quality is excellent, the sound-isolation is average (to block out noises such as the Train).

Superseded by the CX400 and CX500 so buy spend a little more and get those instead if you want the best.

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Rating: - Good Sound but try moving with them on
Well the sound is great. The 3 sizes of ear piece is great. And fitting was easy. The problem came when actually using them. The long ear piece wire conducts noise like a stethoscope so if you move around the wire brushing your clothes or just pulling on its own weight you get the equivalent sound of tapping your ear with your finger - it's maddening. Even pinning the wire to my collar didn't work as one of the single ear piece wires (non-adjustable) is only a few inches limit your head movement. But fine if your sitting still at a computer or on a bus.