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Mini Digital Audio Recorder with Knowles Microphone


The E-AUD-A32-300H is a mini audio recording device measuring 54 x 24 x 11 mm. It weighs only 12 g and has 2GB of onboard storage flash memory.


  • Knowles Microphone
  • 16-Bit Audio Codec
  • 8 Different Recording Profiles
  • Upto 30 Hours Continous Recording
  • Upto 120 Hours VAS Recording
  • 2GB Integrated Flash Storage
  • Linear or Circular Recording Modes
  • Video Evidence Digital Marker
  • Built-In Real-Time Clock
  • USB Interface


The E-AUD-A32-300H is a able to provide excellent audio quality due to it's high sensitive knowles microphone and 16-bit audio encoding. Various recording profiles can be configured depending on the acoustic environment. 


Recording is configured with the PC software and activated by using the three control buttons on the unit. Audio can be recorded manually, by voice-activation or via schedule. LEDs then provide an indication of recording status and battery life. At the lowest quality setting, the E-AUD-A32-300H has storage allowing it to record for upto 300 hours. The unit can also be configured to record in either a linear or circular recording mode.


Transferring of files to a PC after recording is made simple by the unit's integrated USB interface. Software is included for Windows computers which allows one to configure the recorder and convert the files to standard audio formats.

  • Audio Frequency: 70-6000 Hz
  • Built-in microphone: Sensitivity within 7-9 metres
  • Recording Storage Time (2GB): Max 300 Hours (Lowest Quality)
  • Signal/noise ratio: -70 dB
  • Compression algorithms: Without compression, uLaw (2/1) or ADPCM(4/1)  
  • Battery: Rechargeable 130mAh Li-Ion
  • Battery Life (Continous Record Mode): 30 Hours
  • Battery Life (Voice Activated Record Mode): 120 Hours
  • Weight: 12 g (with battery)
  • PC Interface: Up to 1,5Mb/s (USB 1.1)
  • Case: Plastic
  • Dimensions (mm): 52x24x11 mm

Ordering Information

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