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 Adjustable volume control # Type: Dynamic, "closed back" design Driver unit: 40 mm (1.625 in.) diameter Impedance: 32 Ohms @1Khz Sensitivity (SPL): 102 dB/mW...