Electret Microphone
Sensitivity:-46dB ± 3dB at 1kHz
Frequency Response: 10 - 10KHz
SPL: 113 db +/- 3db
Voltage: 2 V standard, 10 V maximum
Speaker
Cone: 30mm Mylar
Magnet: Ferrite
Impedance: 32 Ohms each side+/-15%
Frequency Response: 20 - 20KHz
SPL: 113 db +/- 3db, 3 dB R/L output difference
Rating Input: 40 mw
Distortion: 5%
Sensitivity: 98dB ± 3dB at 1kHz
Volume Control: (2800BL-AV, 2800RD-AV, 2800YL-AV)
None(2800BL-USB, 2800RD-USB, 2800YL-USB) Inline on cord
Plug:
(2800BL-AV, 2800RD-AV, 2800YL-AV)
Dual 3.5mm, nickel-plated stereo plugs Red - Microphone, Black - headphone
(2800BL-USB, 2800RD-USB, 2800YL-USB) Backwards compatible USB 2.0 plug
(2800-BLT, 2800-YLT, 2800-RDT) 3.5mm To Go™ plug
Cord: 5.5 feet, straight cord
General
Color: Blue
Headband: Adjustable, polypropylene
Earcups: Noise-reducing, ABS plastic for durability
Earpads: Foam-filled PVC
Computer Compatibility: (2800BL-USB, 2800RD-USB, 2800YL-USB) Mac and Windows-based
Mobile Devices: (2800BL-USB, 2800RD-USB, 2800YL-USB) OS & Android-based smartphones and tablets including the iPad, Transformer Tab, Fire HD, Nexus 7, Surface, Kuno 3, Unobook, Kineo, Iconia Tabs, Galaxy, Viewsonic
Weight: (Single headset weight)9.6 ounces, shipping weight 1 lb.
(2800BLAV-12L & 2800BLUSB-12L)
9.6 oz, each, total shipping weight 8 lbs.
Warranty: 2 years for use in early childhood daycare centers, schools, businesses, churches and Head Start facilities