Summary: After reading some other positive reviews on this budget-priced headphone, I decided to pick up a pair. I am delightfully surprised in this circa $20 headphone. Sound quality of course does not match my Sennheiser HD280s, but for the price and comfort, this is worth it. I will likely take these when I travel when I want a closed headphone. I've been unable to find a good headphone like this, but I wish it would fold...

They are not heavy, and the cord is about 10', which can be a curse or blessing depending on use. For portable players (i.e. iPods), the cord is too long. The cord is just right when you are a bit far from a stationary audio source. However, I should note, iPods (both my shuffle and 3G 10GB) easily power these headphones, so other portable players are likely to as well.

If these were to break or get lost, I'd definitely replace this pair of headphones for auxiliary use.

Summary: I picked up this budget headphone set for my TV after reading all the glowing reviews about the HD201. Unamped the HD201 sounds fairly cold and thin. This issue improves a lot with amplification. However, the bass remains weak in quality and quantity. On the plus side, the highs on the HD201 are very impressive and extends leaps and bounds more than any other headphone even close to this price range. In addition, it boasts an impressively expansive soundstage. This is important for gamers to be able to locate the direction and distance of sounds, but the lack of bass for explosions can reduce much of the excitement.
The HD201 has swiveling cups that adjust well to about any headshape and size. Its pads are pleather and circumaural, which fit around the ears. Isolation and sound leakage is decent for the HD201. Not that much sound comes in or out.
When compared with the Philips HP250, which retails for around the same price, the HD201 comes up better in some areas, but falls off in others. The HP250 is the absolute opposite of the HD201. It has a warm and thick midrange, with excellent bass impact that does not muddy up the sound. However, the highs are more recessed compared with the HD201. The soundstage forward and much more collapsed. The HP250 is comfortable to me with large circumarual felt pads that don't heat up in long wearing periods. There is not much sound leakage, but it provided little isolaton. These headphones are difficult to drive and require a decently powered source.
The weak bass on the HD201 makes it a poor candidate for hip-hop, pop or any bass heavy music. However, the excellent highs and expansive soundstage of this headphone make it the ONLY decent choice for classical music under 50 dollars, and a top contender under 100 dollars. For bass heavy or aggressive music, the Philips HP250 is probably the way to go at this price range.
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Equipment used: Gilmore Lite Amp and EMU0404 source.
Some other headphones I have used before: Grado SR325i, AKG K501, Sennheiser HD595, AKG K240S.

Summary: For years, Sennheiser is a name people looking for good sound could turn to. The Sennheiser HD201s further make Sennheiser a company you can trust for quality products.

Before this pair, I used the MX300 earphones and Denon closed headphones. The difference in clarity is noticeable on both counts. I was always a fan of surround systems and speakers until I got this pair of headphones, but it's not without its faults. First off, it gets uncomfortable after wearing it for a few hours. Of course, that goes for many sets of headphones, but this one looks ugly to boot. I'd rather wear something that looks good if it's still going to be uncomfortable. And unlike the HD202s, you don't get anything to wrap the cord with, so it's excessively long. If you were tripping over cords before, stay away from these headphones.

I wish the volume was louder too. At first, I thought it might've just been my computer speakers on low since that was the first place I tested it, but the volume was low on my mp3 player and TV too.

The Sennheiser 201s don't have the best sound, but it certainly has the best price. For $20, you can't go wrong.