Koss 197063 UR40 OVR HDPHN

• 44-mm drivers;• Frequency response: 15 Hz to 22 kHz ;• Sensitivity: 98 dB SPL/1mW;• Ultra-lightweight over-ear design; Koss(R) titanium-layered diaphragm;• Full-frequency clean sound turns any recording into a "live" performance;• Screened earcups provide open, hear-through sound letting you stay in touch with surroundings;• Closed leatherette ear cushions form tight seal around ears, enhancing bass response; enjoy greater volume levels, even with low-voltage portable devices;• Airy mesh sling headband provides soft, breathable support;• Lightweight frame (just over 6 oz.) folds into protective compact configuration for easy portability;• 4 ft. (1.2-m) straight, dual-entry cord with gold-flashed 3.5-mm plug;• Limited lifetime warranty;