Sennheiser 507435 HD 820 Over-the-Ear Audiophile Headphones

The new audiophile standard for closed-back headphones. Delivers impressive spatial sound reproduction. 56mm Ring Radiator dynamic transducer system. Acoustic absorber system prevents frequency masking. Ultra-ergonomic adjustable metal headband with inner damping element. Luxuriously comfortable microfiber ear and headband padding on key contact points. Precision built at Sennheiser's state-of-the-art Ireland plant. Impedance: 300 ohms. Includes: 1/4" Stereo jack cable. 4.4mm Stereo jack plug. Storage box. Microfiber.