The Sony MDR-7509HD is a high-quality stereo headphone for critical and demanding professional applications, including studio and broadcast monitoring.<BR><BR><strong>80kHz reproduction </strong> Newly developed HD driver realizes up to 80kHz ultra wide range reproduction. Yields crystalline high-end fidelity for enhanced presence of strings, cymbals, vocals, and other signals with many high frequencies. <BR><BR><strong>High power handling capacity 3000mW </strong> Durability is key for professional audio products. By applying OFC (Oxygen Free Copper) for voice coil material, MDR-7509HD supports 3000mW of power handling capacity.<BR><BR><strong>360 kJ/m3 high power neodymium magnet </strong> 360kJ/m3 high power neodymium magnets are used for the driver unit to reproduce clear midrange.<BR><BR><strong>Auranomic, circumaural headphones </strong> Wearing comfort is extremely important. With auranomic, circumaural headphones the driver units have been designed in accordance with the angle of the ear, eliminating uncomfortable pressure on the ear
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