Accutone AU300 - Manual (Page 2)

Thank you for purchasing an Accutone USB kit, this kit includes an
* AU300 USB Headset Adaptor and a CM300 stereo headset. The AU300
adaptor connects any computer headset to your computer via digital
connection, which provides a purer and better sound quality of audio
signals. Unlike any traditional connection through analog sound cards,
which may cause distortion to the sound signal as it's being processed
and converted from analog to digital, the AU300 adaptor provides far
superior sound quality, which is perfect for performance-sensitive
applications such as VoIP chat or voice recognition software...etc.
Now please spend a few moments to read through this user manual
before connecting the USB headset kit to your computer. After
familiarizing with the features and functions, you will surely appreciate
the top audio performance this unique device has to offer you.
detailed descriptions of all the specifications.
accutone USB adaptor - installation guide & user manual
AU300
USB adaptor
* The AU300 USB Adaptor may be sold separately or bundled with a stereo headset other than the CM300.
** AU300 adaptor is compatible to both desktop and notebook computers with an USB jack. Only the
operating systems listed under "Operating Environment" in the section of Specifications of AU300 USB
Adaptor on page 2 are applicable.
*** Outside the operating environments mentioned on page 2, the adaptor is not guaranteed to operate with
all computers. The adaptor is not guaranteed to operate with home built computers, operating systems
that are personally up-graded or multiple operating systems. The adaptor is also not guaranteed to operate
with functions under system suspend, sleep and hibernation modes.
CM300
stereo headset
Any PC or
** Macintosh
USB Headset Adaptor
INSTALLATION GUIDE & USER MANUAL.
1
SPECIFICATIONS
Stereo Headset CM300
Cord
2m long
Plug Gold-plated Stereo 3.5mm plug (for headphone)
Gold-plated Mono 3.5mm plug (for microphone)
Mass Approximately 100 g (without cord)
Receiver
Type
Open air dynamic driver unit
Voice coil CCAW
Maximum input power 10mW/20 mW
Impedance 32W ±15% at 1 kHz
Sensitivity 93±3dB/mW
Frequency range 40 - 20,000 Hz
Microphone
Design
Flexible boom microphone
Type Electret condenser
Open circuit voltage level -47dB (0dB=1V/Pa)
Frequency range 20 - 20,000 Hz
USB adaptor AU300
Frequency range
20 - 20,000 Hz (headphone)
100 - 10,000 Hz (microphone)
Data resolution 16 bit
Sampling rate 48 kHz Stereo
Operating Characteristics Rx
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
Operating Characteristics Tx
Microphone gain
20dB Max.
Volume control range +12dB ~ -34.5dB, 1.5dB step
Input/ouput jacks output (headphone stereo jack)
impedance load: 16 or 32W
input (microphone monaural jack)
plug-in-power system
power supply USB bus power compliant (5V, 100mA)
dimensions (excluding projections)
approx. 40x100x20mm (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
specifications introduction