Brand New Sealed Retail Box.

Product Features and Technical Details

Custom-tuned speaker enclosed in lightweight aluminum for greater durability

Stage and studio quality sound
Noise isolating design attenuates outside noise by an amazing 26db
Comfortable and secure ear loops
Includes universal fit kit and a protective travel case to store earphones
Technical Details
Frequency Response: 20 to 15 000 Hz
Impedance: 29 ohms
Input Connection: 1/8 (3.5mm) Gold Plated
Input Sensitivity: 105dB/mW
Internal Speaker Configuration: High-definition Balanced Armature Driver
Noise Isolation: -26dB