reprinted from a M-Audio press release: Los Angeles, CA, November 8, 2007 M-Audio, a leading provider of creative tools for computer-centric musicians, is proud to announce the Studiophile Q40 closed-back dynamic headphones. This new product offering represents the Companys entre into the headphone market following years of success with studio reference monitors like the popular BX and EX series. The Studiophile Q40 headphones utilize professional-grade dynamic drivers that deliver full-range specs and stunning sonic detail. The extra-large drivers measure 40 millimeters in diameter, exceeding the size of most other headphones to offer superior low-frequency extension. The combination of vented diaphragms made of low-mass treated mylar, neodymium magnets and copper-clad aluminum voice coils delivers efficient performance for enhanced bass These elements come together in M-Audios custom enclosure, which has been specially tuned to further extend low frequencies. The Studiophile Q40 headphones feature sealed backings and comfortable ear cups that completely surround the ears, resulting in excellent isolation from outside noise. This enables users to hear more detail at lower volumes, which protects their hearing while tracking, mixing or listening in any noisy environment. The Studiophile Q40 headphones are designed to closely emulate the experience of listening to full-sized reference monitors in a professional studio environment. The headphones provide exceptional imaging and a wide sound stage for accurate mixingwithout the hassle of worrying about speaker placement or room acoustics. M-Audios new headphones are built for durability and extended wear. In addition to lightweight construction, comfortable earpads provide hours of listening ease. The sturdy frame is also collapsible for easy travel and mobile studio use. The included storage bag protects them from dust and damage. The Studiophile Q40 headphones feature a detachable 3-meter cable with 1/8 plugs on each end. The ability to replace this cable helps protect users overall investment in the event of cable failure. A 1/4-to-1/8 adapter is also included. In addition to the 10Hz – 20kHz frequency response, the Studiophile Q40 headphones feature a sensitivity of 116dB SPL (1mW IEC318) and rated impedance of 64 ohms. Weight without cable is .5 lbs. (.25 kg). "With the Studiophile Q40, weve taken everything weve learned from building our popular reference monitors and created exactly what people expect from M-Audiotop quality and easy mobility, says Adam Castillo, marketing director at M-Audio. "The Q40 headphones are ideal for tracking and mixing, as well as simply enjoying music. The Studiophile Q40 headphones are currently shipping with an MSRP of US$179.95.