General purpose Hifi Stereo Headphones Compact, lightweight, Stereo Headphones for monitoring, recording and home applications. Neodymium magnet for high sensitivity, dynamic sound and deep bass response FEATURES: Adjustable volume control Type: Dynamic, closed back design Driver unit: 40 mm (1 5/8) diameter Impedance: 32 Ohms @1Khz Sensitivity (SPL): 102 dB/mW @ max.power Power handling capacity: 80 mW max. Frequency response: 20 Hz - 20 kHz @ -3dB Cord length: 3m (10 ft) long Plug: 1/8 Stereo mini-plug (Ø 3,5mm) Weight: 125 g (4.4 oz.) w/o cord; 175 g (6.2 oz.) net Accessory: 1/4 (Ø 6,3 mm) Stereo jack plug adapter