Telex Discovery Headsets | Telex 300103803 Discovery Series DS-8V Stereo 64 Ohm Headset FREE Ground Shipping Telex Discovery Headsets Headset Model: DS-8v / DS8V DS-8V is recommended for computer use due to better voice recognition response with the powered, stereo mic. Weight: 12.4 oz Impedance (Ohms): 64 Mic: Electret Stereo Sensitivity @ 1k Hz 1m W input: 111 dB Frequency Response: 20-20KHz Cord Length: 6 ft / 1.8m Cord Description: Y-Cord w/ two 1/8� 3.5mm 3 conductor (stereo) hdph. & mic plugs These professional-grade, heavy-duty classroom headsets are designed for K-12 and college classrooms and abs. Each Discovery headset has a built-in micro-phone for use with voice-recognition applications. Each headset includes a two-year limited warranty. Discovery Series headsets are perfect for reading, science, math and language labs. They are compatible with tape players, CD/DVD players, TV applications, and most computers. * Dual headband provides balance and comfortable fit * Vinyl ear cushions are hypo-allergenic, no latex * Cushions and cords are easy to clean and replace * Replaceable cord withstands more than 250,000 flexes