The Beyerdynamic DT100-400 headphones are compact and clear sounding. If you like accurate sound reproduction and styling, these Beyerdynamic headphones have a lot to offer. With a 30 Hz to 20 kHz frequency response, you can listen to resonant bass tones and sharp treble frequencies. These Beyerdynamic headphones have ample 94 dB sensitivity allowing you to enjoy your music at your desired volume level on a host of gadgets such as laptops, portable DVD players, and stereo receivers. Weighing 12.3 ounces, these headband headphones are lightweight and convenient, so you can take them along with you as your constant companion. Furthermore, these Beyerdynamic DT100-400 headphones feature a well-thought-out design, for additional comfort during long hours of use.