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Olympus America Inc. > 
Item#: N82E16873100016

OLYMPUS WS-321M USB PC Interface Digital Voice Recorder with Music Player

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  • 1GB Recording Media
  • USB PC Interface
  • 3.7" x 1.5" x 0.4" (excluding protrusions)

  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the Olympus America Inc. WS-321M




Recording Format
Recording Media
Recording Time
Stereo XQ Mode: 17 hours, 40 minutes

Stereo HQ Mode: 35 hours, 25 minutes

Stereo SP Mode: 70 hours, 55 minutes

HQ Mode: 70 hours, 55 minutes

SP Mode: 139 hours, 30 minutes

LP Mode: 277 hours, 35 minutes
PC Interface
Built-in 18mm round dynamic speaker
1x AAA-size battery
Battery Life
Approx. 21 hours (using alkaline dry cell battery)


Built-in stereo microphone

Variable Control Voice Actuator (VCVA) records only when sound is sensed

The Low Cut Filter minimizes air conditioner noise and other similar noises

Up to 16 index marks can be set in a file

Lock files to avoid accidentally erasing important information

WMA & MP3 Music Player

Noise Cancel feature cuts out unwanted background noise

Voice Filter enhances the human voice by cutting low and high frequency noises during playback

Slow and fast playback speed variations

Repeat and Random playback

WOW XT technology provides rich bass and three-dimensional stereo sound

Customize the sound with a built-in equalizer


Input Level: -70 dBv



Folders Messages: 5/200 per folder

LP Mode

Voice Activation: Available via menu setting

Practical Maximum Output: 70 mW

Microphone Jack

Earphone Jack

Sampling Frequency
Stereo XQ Mode: 44.1kHz
Stereo HQ Mode: 44.1kHz
Stereo SP Mode: 44.1kHz
HQ Mode:44.1kHz
SP Mode: 22.0kHz
LP Mode: 8.0kHz

Overall Frequency Response
Stereo XQ Mode: 50-19,000Hz
Stereo HQ Mode: 50-15,000 Hz
Stereo SP Mode: 50-9,000Hz
HQ Mode:50-13,000Hz
SP Mode: 100-7,000Hz
LP Mode: 100-3,000Hz

Dimensions & Weight

3.7" x 1.5" x 0.4" (excluding protrusions)
1.7 oz. (including battery)
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by's Standard Return Policy.
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