Sony MDR7509HD Headphones

The Sony MDR7509HD Headphones is a high-quality stereo headphone for critical and demanding professional applications, including studio and broadcast monitoring.

Sony MDR7509HD Headphones Features:
-Closed type headphones for sound monitoring by professional studio engineers and musicians
-Circum-aural headphones
-80kHz reproduction using 50mm HD driver units
-High power handling capacity 3,000mW
-Gold connectors and OFC cord with stereo unimatch plug
-Unique folding design with supplied soft case
-Carrying Pouch
-360kJ/m3 high power neodymium magnets are used for the driver unit to reproduce clear midrange.
-Auranomic, circum-aural design:  the driver units have been designed in accordance with the angle of the ear, eliminating uncomfortable
  pressure

Designed for critical listening applications, the Sony MDR7509HD Headphones headphone features newly developed HD Driver units that deliver ultra-wide dynamic range and incredible power handling capabilities. With 3,000 mW power handling capacity and 80kHz ultra high frequency reproduction, the MDR7509HD model precisely reproduces every nuance recorded using the latest generation of high-quality audio formats such as DSD or high sampling linear PCM.

The 50mm HD Driver units utilize 360kJ/m3 high power neodymium magnets to reproduce clear midrange. Equally important to sound quality is wearingcomfort. The MDR7509HD headphone features an Auranomic circum aural design – where the driver units have been designed in accordance with the angle of the ear, thereby helping to eliminate pressure on the ear and to reproduce a natural, wide soundscape.

The Structure of the HD Driver Unit The newly-developed driver unit features a Reinforcement Ring between the voice coil and the diaphragm. It assists spreading ultra high frequency vibration generated by voice coil to the HD diaphragm with a coherent phase.

Sony MDR7509HD Headphones Specifications:
-Cord Length 9.8 ft
-Driver Size 50.0 mm
-Frequency Response 5-80kHz
-Headphone Type Dynamic, closed
-Impedance 24 Ohms
-Magnet Type Neodymium
-Plug Type Gold, Stereo Unimatch plug 1/4" and 1/8"
-Power Handling 3000mW
-Sensitivity 107 dB/mW