Overview:


Andrea’s USB-SA external digital sound card eliminates computer noise floor problems as it utilizes high quality digital circuitry to bypasses your desktop or laptop computer’s sound system.
This device provides increased fidelity and performance of stereo microphone input and stereo speaker output for all of your computer audio applications.


Features:

  • Hi-fidelity external sound card with CD quality digital sample rates.
  • Converts the built-in sound of the average desktop or laptop into a rich audio experience designed for PC users who insist on high quality/low noise audio.
  • Small form factor, about the size of a thumb drive, is convenient for portability with audio peripherals.
  • The USB adapter enables the audio device driver platform which supports the Andrea Pure Audio noise reduction technology and Andrea hardware peripherals. Can also be used to enhance ANY existing legacy headset, microphone or speakers.
  • Stereo Microphone Input and Stereo Speaker Output
  • Removes the Uncertainty of Legacy PC Audio Quality and Compatibility Issues
  • USB 2.0 Full Speed Operation Device Class
  • Specification V1.0 Compliant (Digital Audio Device)
  • Small Form Factor is Convenient for Portability with Audio Peripherals
  • Power On / Data Transmit LED Indicator
  • Windows and Mac Compatible
  • Available with Andrea Audio Enhancement Software

Specification:


Connections
Microphone Jack 3.5mm: Pink (PMS 701C)
Speaker Jack 3.5mm: Green (PMS 365C)

Operation

Power: USB
Microphone Input: 2 Channel Stereo
Audio Output: 2 Channel Stereo
Sampling Rate: 48K / 44.1K Hz / 16K / 8K

Power Supply

Supply Voltage: 4.5 - 5.5 VDC
Total Power Consumption: 120 mA

Microphone Input

A/D Conversion Resolution: 16 bit
THD + N: -84 dB
Supply Bias Resistor: 2.2K Ohm @ 3.3VDC
Frequency Response: 20-20,000 Hz
Input Range: 0 - 1.25 Vrms
Dynamic Range: 95 dB
Record Gain Range: -6 to 33 dB

Stereo Speaker Output

D/A Conversion Resolution: 16 bit
THD + N: -91 dB
Frequency Response: 20-20,000 Hz
Output Load: 32 Ohm
Output Voltage: 1.27 Vrms