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Superlux HD669 Professional Studio Standard Monitoring Headphones noise isolating Game Music Headphone sports earphones Headset Features: Patented durable structure Comfortable, self-adjusting headband pads Comfortable, long-lasting ear pads Detachable, single side cable Included cable clip to secure cable from pulling out by incident Circumaural earphones High noise attenuation High resolution driver Precision tuned acoustic chamber Areas of Applications: Use as monitoring headphones in a noisy environment Broadcast and TV applications Film and theatre applications Recording applications Specifications: Type:Closed dynamic stereo headphones Driver: Ø50 mm Sensitivity: 98 dB Frequency Response: 10-30,000 Hz Max. Input Power: 200 mW Rated Impedance: 56 Cables: 1m + 3m, plugin cable on headphones (mini stereo connector) Connector: 3.5mm + 6.3mm Gold plated stereo plug Net Weight (without cable): 235 gHD669 Professional Studio Standard Monitoring Headphones:The HD669 are closed-back,