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Main Switches and Interface
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Cable ends with USB plug
Multiple status LED-indicator (white/red/blue)
Silkscreened muting indications (microphone or speaker mute)
4-direction controlling switch (volume adjustments and muting)
Silkscreened volume indications
Cable ends with connection to headset
Microphone Capsule
Aluminium microphone voice tube
Ear Pad (including 40mm speaker chamber)
Adjustable voice tube holder
Microphone voice tube rotational pivot
Microphone connecting cable (with SR)
Extendable double-arm headband
AU400
CM400
Stereo Headset CM400
USB Controller AU400
Cord
2m long
Mass
120 g (including controller)
Size
40mm diameter
Type
Open air dynamic driver unit
Maximum input power
60 mW
Impedance
32
W
±15%
at 1kHz, 1V
Sensitivity
116
±3
dB(3mW/1CM)
Frequency range
140 - 20,000 Hz
Design
Flexible boom microphone
Type
Electret condenser
Open circuit voltage level
-47dB (0dB=1V/Pa)
Frequency range
20 - 20,000 Hz
Frequency range
20 - 20,000 Hz (headphone)
100 - 10,000 Hz (microphone)
Data resolution
16 bit
Sampling rate
48 kHz Stereo
Receiver gain
14dB Max.
Output power
35mW Max.
THD +Noise
<0.4% @ P =30mW 20~20,000 Hz
0
S/N @ THD <0.4%
86dB
Master volume control range
0~46.5dB attenuation
Microphone gain
20dB Max.
Volume control range
+12dB ~ -34.5dB, 1.5dB step
Power supply
USB bus power compliant (5V, 100mA)
Dimensions
(excluding projections)
approx. 28x65x18mm (w/d/h)
Operating environment
compliant operating systems:
Windows 98 SE/Windows 2000/
Windows Me/Windows XP
Apple Macintosh OSX
CPU: Pentium II 266 MHz or better
Receiver
Microphone
Operating Characteristics Rx
Operating Characteristics Tx
Specifications.
Main Switches & Interfaces.
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USB400 - Installation Guide & User Manual
Understanding your headset.
specifications
main switches and interface
