The phones also offer an eye-catching aesthetic, with lamella optics that are sure to appeal to fans of sophisticated design. And thanks to the padded headband and soft removable ear pads, listeners can wear the headphones in all-day comfort. Other features include a modular construction that makes it easy to replace all serviceable parts, a gold-vaporized 1/8-inch mini stereo jack plug, a 1/4-inch adapter, and a high-quality carrying case. The DT 990 headphones, which weigh 10.22 ounces, carry a two-year warranty on parts and labor.

 Product Features:

High-end open headphones with true sound definition and phenomenal bass response
Reproduces immersive three-dimensional acoustics with 5 Hz to 35 kHz frequency response
Lamella optics provide eye-catching aesthetic; padded headband and soft ear pads
Modular construction makes it easy to replace all serviceable parts; includes carrying case
Golf-vaporized 1/8-inch mini stereo jack plug; weighs 10.22 ounces; 2-year warranty

The Pros:

The bass is simply awesome, deep and pwerful
The clarity of the DT990s is superb. You hear everything, whether you want to or not
The way guitars and cymbals sound through the Beyerdynamic DT 990 Premium Headphones is simply amazing
Listening to songs through these headphones has made some songs sound completely different, quite amazing
The solidity of construction coupled with excellent sound make them a bargain.

The Cons:

these headphones need an amp. If you try to power them off an mp3 player or a sound card you may be disappointed
These headphones are on the expensive side but i think you will see it is money well spent
Straight out of the box I found the DT990 a little wooly in the bass.

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