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USB-SA - Hi-Fidelity External USB Sound Card

• Removes the Uncertainty of Legacy PC Audio Quality and Compatibility Issues
• USB 2.0 Full Speed Operation Device Class Specification V1.0 Co mpliant (Digital Audio Device)
• USB Stereo Microphone Input and Stereo Speaker Output
• Small Form Factor is Convenient for Portability with Audio Peripherals
• Power On / Data Transmit LED Indicator
• Win98 SE / Win 2000 / Win XP and Vista Compatible
• Mac OS9/10 (without Andrea Software) Compatible
• Available with Andrea Voice Solutions Software Suite

Superbeam Array Microphone

• Sleek, stylish two-microphone design (4.3" length, 1.7" width, 0.9" deep)
• Unsurpassed in performance
• Unprecedented price point

• SuperbeamArray Microphone Specifications
  Acoustic
  Microphone Configuration	Two unidirectional microphones with individual channels to a stereo output
  Recommended operating distance	12” - 48” (Varies with application)
  Acoustic signal reduction @ 1 KHz and 180º	>10 dB
  Electrical Characteristics
  Mic bias Supply Voltage for rated 4 VDC sensitivity	4 VDC
  Operating Mic bias Supply Voltage Range 2.5 to 5 VDC (with up to 3 dB sensitivity variation)	2.5 to 5 VDC
  Supply series resistor	2 KOhms +/- 0.5K
  Operating Current (each channel)	0.6 mA
  Output Impedance @ 1 KHz	<200 Ohms
  Max SPL Input @ 1 KHz	115 dB (3% THD @ 3.7V)
  Max Output (THD <3% @ 1 KHz)	120 mV rms
  Sensitivity (Re: 1V @ 0.1 Pa)	-44 dB, +/- 4 dB
  Frequency Response	50 Hz - 8000 Hz
  Noise	20 uV
  Operating Temperature	0O C to + 70O C
  Connector	3.5 mm jack, left mic power and left audio on “tip”, right mic power and right audio on “ring”. Sleeve common ground.
  Size	4.3” length x 1.7” width x 0.9” height

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