Comfort for hours of use is an integral part of headphones and these closed-back Audio-Technica ATH-T22 headphones are designed with that in mind, with an adjustable headband for a personalized fit and cushioned ear pads. With 40 mm speaker drivers, the Audio-Technica headphones deliver sound that is clear and loud with little to no distortion. The sensitivity level on these over the head headphones is 100 dB SPL (Sound Pressure Levels). At only 6 oz, these Audio-Technica headphones are lightweight for hours of use. Equipped with two plug sizes, these Audio-Technica ATH-T22 headphones can be connected to a variety of sound devices. These Audio-Technica headphones have an impedance level of 32 ohms, and decibel sensitivity levels of 100 dB. In addition, frequency response for the over the head headphones is 20 Hz - 22 kHz. With almost 10 ft of cable, the Audio-Technica ATH-T22 headphones allow users the flexibility to move around and not remain tethered by a short cord. An additional feature of these headphones is the rotating ear pad, which makes one-ear monitoring easy and comfortable. The Audio-Technica headphones have a circumaural design, which covers the ear to keep out external sounds for uninterrupted listening pleasure for the user. Good sound quality and a very comfortable fit make Audio-Technica ATH-T22 headphones an ideal accessory for any music enthusiast.