CLOSED-BACK CIRCUMAURAL HEADPHONES
CLOSED-BACK CIRCUMAURAL HEADPHONES
PROFESSIONAL STUDIO HEADPHONES FOR HIGH DEFINITION AUDIO PI DATE: MARCH 2007 PRODUCT : MDR-7509HD Closed-Back Circum-aural Headphones TYPE : Closed, Dynamic POWER : 3000mW (IEC) IMPEDANCE : 24 Ohms (at 1kHz) SENSITIVITY : 107dB/mW FREQ RESPONSE : 5 - 80,000Hz CORD : Coiled, 1.2m - 3m OFC litz wire PLUG : Gold-plated Uni-match plug DRIVER DIAMETER: 50mm WEIGHT : 300g (excluding the cord) * Features newly developed HD Driver units that deliver ultra-wide dynamic range & incredible power handling capabilities * 360kJ/m3 high power neodymium magnets are used for the driver unit to re-produce clear mid-range * With auranomic, circum-aural headphones, the driver units have been designed in accordance with the angle of the ear, eliminating uncomfortable pressure on the ear