Califone 3066AV Stereo Headset, with Microphone

The Deluxe Stereo Headset is designed for language learning in today’s classrooms and are ideal for computer labs and other multimedia applications.

Features:

• Rugged ABS plastic headstrap with recessed wiring resists prying fingers for classroom safety
• Fully adjustable headband fits all sizes
• Noise-reducing earcup lowers ambient noise so volume does not need to be as high, as recommended by audiologists for hearing safety
• Volume control conveniently located on ear cup
• Permanently attached 7’ straight cord with reinforced connection resists accidental pull out. Widely used 3.5mm mini plugs
• Two jacks: one for mic and one for headset
• Electret mic on flexible gooseneck with built-in wind screen reduces accidental recording of unintended sounds
• Slotted baffle prevents speaker access, avoiding accidental cone puncturing
• Replaceable leatherette ear cushions
• “Comfort sling” for user comfort
  • Windows and Mac compatibility (not iMacs)
  • One year warranty for school use - unlike headsets purchased at consumer electronics stores whose warranties would be voided if used in schools

Specifications:

• Headphone
  • Speaker: 40mm Mylar
  • Magnet: Ferrite Cobalt
  • Impedance: 300 Ohms ± 15% each side
  • Frequency Response: 20-20,000 Hz
  • Sensitivity: 110dB SPL ± 3dB at 1kHz
  • Input:
    • Min. input 20 milliwatts
    • Max. 30 milliwatts
  • R/L Output Diff: 3 dB
  • Distortion: 5%
  • Input Connection: 3.5mm, black jacketed, nickel plated stereo
  • Earpad: Black leatherette
  • Cord: 7’ straight, attached volume control, permanently attached for classroom safety
• Microphone
  • Type: Electret condensor
  • Directivity: Omnidirectional
  • Sensitivity:
    • -41dB
    • standard -38dB
    • max -35dB
  • Frequency Response: 20-16,000 Hz
  • Impedance: 1,500 Ohms ± 15%
  • Operating Voltage: Nominal +3V; accepts 1.5V-10V
  • Output Connection: 3.5mm, red jacketed, nickel plated stereo
  • Total Weight:
    • 14 ounces
    • Shipping weight 2 lbs.
  • Warranty: 1 year from date of purchase for school use, church and government facilities