Sony MDR7506 Professional Large Diaphragm Headphones Rock Guard Extension Arm It takes RF performance to

It takes RF performance to a new level for fail-safe reception while providing transparent audio

so you can hit the stoppage with just the rightamount of force

Diameter: 4 1/2 in

Frequency Response : 20-20

Sony MDR7506 Professional Large Diaphragm Headphones Rock Guard Extension Arm It takes RF performance toNeodymium magnets and 40 millimeter drivers for powerful, detailed sound Closed ear design provides comfort and outstanding reduction of external noises 9. 8 foot cord ends in gold plated plug and it is not detachable; 1 4 inch adapter included Folds up for storage or travel in provided soft case Frequency Response: 10 Hertz to 20 kilohertz These large diaphragm, foldable headphones feature a rugged construction, a secure, highly effective closed ear