Superlux HD681spesifikasjonerHD681 SeriesProfessional Monitoring HeadphonesFeatures1. Accurate and detailed sound greatly enhances your listening experience2. High efficiency and wide dynamic range3. Durable construction allows it to be twisted for use as a single ear headphone4. Self-adjusting headband for great fit and maximum comfort5. Single-sided, straight cable6. Outstanding quality and value7. Environmentally friendly packaging, good for displays and easy to store The HD681 series headphones offer 3 distinctive sound profiles, each with its own character: The HD681 features an exceptionally deep low frequency, the HD681F has a flat extended frequency response, and the HD681B has an excellent balanced character, and powerful bass punch.As for the sound image presented by these headphones, the HD681 gives you the feeling of actually being on stage with the artists while the HD681F makes you feel as if you sittingon the front row and the HD681B puts you in the middle of the concert hall, enjoying a deep, rich sound. These three headphones also deliver excellent balance and clarity. The ergonomically-designed vinyl ear pieces combined with the lightweight and self-adjusting headband of these headphones make them very comfortable. Whether you’re monitoring, tracking, mixing, or just listening to an MP3 or other audio source, you canexpect comfort and sonic accuracy from your HD681 series headphones.Type: Dynamic, Semi-openDriver: F50mm, neodymiumSensitivity: 98dB SPL (1mW)Frequency Response: 10-30,000HzMaximum Power: 300 mWRated Impedance: 32 O (copper-coated aluminum wire)Earpad:leatherCable: 2.5-meter (8.2 ft.) straight, single-sidedConnectors: Screw-on gold plated stereo mini plugHeadphone Caliper Pressure: Approx. 3.5NNet Weight: 276g(9.75 oz)