Cyber Acoustics AC-840 USB Mono Headset w/Boom Mic, Academic Discount | Education Discount at JourneyEd.com
Cyber Acoustics
Product ID: 1877142 | Mfg Part #: AC-840
$19.95
Retail $29.99
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Limited Supply as of October 26th

Once order has been processed, this item is not returnable.



  • Direct Noise Canceling Microphone Technology
  • Ambidextrous design (wear on right or left side)
  • 180 degree microphone
  • Adjustable headband
  • Adjustable boom arm

Connectivity Technology:   Wired
Cable Length:   7 ft
Impedance:   2.2 Kilo Ohm
Impedance:   32 Ohm
Minimum Frequency Response:   20 Hz
Maximum Frequency Response:   20 kHz

Earpiece

Earpiece Design:   Over-the-head
Earpiece Type:   Monaural
Driver Size:   1.06"

Microphone

Microphone Technology:   Noise Cancelling
Microphone Design:   Boom
Microphone Sensitivity:   -47 dB

Interfaces/Ports

Host Interface:   USB

Miscellaneous

Additional Information:  

  • Mic Power Voltage: 1.5v to 10v
  • -67dB V/Microbar