Semi-open type for flat and clear sound -Refined Fostex proprietary Regular Phase (RP) diaphragm driver using copper foil etched polyimide film and neodymium magnet -Maximum input level of 3000mW to comply with pro audio environments -Low repulsion ear pad and head pad for maximum comfort -Includes two different detachable cables, one with a 1/4" plug for professional use, and one with a 3.5mm plug for portable audio use http://www.fostexi . . .

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Semi-open type for flat and clear sound
-Refined Fostex proprietary Regular Phase (RP) diaphragm driver using copper foil etched polyimide film and neodymium magnet
-Maximum input level of 3000mW to comply with pro audio environments
-Low repulsion ear pad and head pad for maximum comfort
-Includes two different detachable cables, one with a 1/4″ plug for professional use, and one with a 3.5mm plug for portable audio use

http://www.fostexinternational.com/docs/products/RP-Series.shtml

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