The brown Sennheiser HD 598 audiophile headphones have excellent, detailed hi-fi sound and a stylish design. They are comfortable to wear and offer versatility as well. These accessories feature a multi-dimensional soundstage and sound separation of instruments. With the Sennheiser HD 598, you can hear more details in the music than with regular headphones. The range is excellent with everything coming together beautifully. The Sennheiser HD 598 comes with one 3.5mm adapter and one pair of headphones.Because the Sennheiser HD 598 has open-back ear cuffs, it delivers a spatial, open sound that many audiophiles are fond of. This product creates a natural listening experience. It utilizes surround reflector to deliver an extended spatial sound field. Each headphone is equipped with Duofol diaphragm speakers that are covered with a metal grille. Duofol diaphragms minimize distortion and improve transparency.These headphones emit exceptional bass as well, so they can be used with your home theater system for action movies, live concert recordings, and first-person shooter games. The circumaural ear cuffs help to block outside noise, so you can listen to music or TV shows undisturbed. This product was made with neodymium ferrous magnet systems that are highly optimized and field-strengthened for a great dynamic response. They have a frequency response rate of 10 – 28,000 Hz and 30 ohms of impedance. This set also has built-in aluminum voice coils that enhance dynamics and improve efficiency.In addition to superb audio quality, this product has a premium appearance as well. These stereo headphones stand out with their predominantly creamy color and brown, wood accents. The headband is coated in real leather, which is a durable, long-lasting material. The brown Sennheiser HD 598 also features a beige and high-gloss burl wood finish, adding to the stylish design. They were built with E.A.R. technology, which is what contributes to the outstanding sonic accuracy and clarity. Sennheier's E.A.R. technology transmits audio signals directly into your ears.The Sennheiser HD 598 over-ear headphones are comfortable enough to wear that you could fall asleep with them on. The ear cups are made of fleece, and the headband is luxuriously padded, making for a satisfying fit. The cable is detachable, allowing you to change the cord if needed. The detachable cable makes storing the headphones easier, too. In addition, the cord has a twist-and-lock mechanism to keep it securely in place when you're using them, so you don't have to worry about accidentally yanking the cord out.Gaming can feel more realistic thanks to the excellent sound quality, and the ability of these earphones to block out ambient noise will allow you to sink into the action undisturbed. Explosions during action movies and video games are more realistic. This product has a 3.5mm converter, so it can be plugged into MP3 players and laptops, too. If you plug the HD598 into a DAC and full-size headphone amp, you'll receive further audio amplification without experiencing distortion or sacrificing the sonic quality. The high-end resolution improves, as does the bass extension and presence.