Headphones are one of the best inventions in the history of audio devices, since they let the users enjoy their favorite music without disturbing (too much) the other people around them. The number of companies involved in the manufacture of such devices, as well as the number of models available on the market is absolutely huge. However, the device you're about to see can clearly be classified as a luxury item, since the Edition 9 headphones from Ultrasone cost...1500 US dollars.

But why are they so incredibly expensive? Well, here are some of the reasons. First of all, as the manufacturers inform us, the Edition 9 feature titanium drivers along with black and chrome earcups and Ethiopian hair sheep leather for the earpads and headband. Moreover, the headphones will also include the company's famous S-Logic Natural Surround System and ULE shielding, which allow for a very good quality sound and insulation from the outside noises.

Here are some of the most important specs of these expensive headphones:

- closed-back headphones;
- weight: 310 grams;
- cable length: 3 meters;
- 6.3 mm gold plated plug;
- 3.5mm adapter;
- frequency range: 8Hz-35.000 Hz;
- 40 mm Titanium-Mylar driver;
- impedance: 30 ohm;
- nominal headband pressure: 5.2 N;
- handmade in Germany.

Yes, the main features do look quite appealing, and the audio experience they will provide will surely be quite an impressive one, but the huge price tag remains an all-important factor, which will probably drive away quite a lot of possible customers when the Edition 9 is launched, later on this month.

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