Audio-Technica ATH-FW55 Earmuff Headphones Grey 2,990.- est. delivery in 2-4 days Key Specifications 30mm drivers / 32 ohm impedanceOutput sound: 97dB/mWFrequency response: 20 - 27,000Hz SKU:#029228 Product No.:ATH-FW55-GRY Short link:http://i.nvade.it/7Bq See specifications from the manufacturer Description Specifications Natural, long-fiber fur for the ultimate in warmth and luxury. Expansive-sounding reproduction from a Ø30 mm driver designed for the very best acoustic quality. Always enjoy a comfortable fitting with fur muffs gently enveloping the ear. Tangle-free 1.2m flat cable for easy handling. The convenience of an L-type plug for trouble-free connection to portable devices.