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Olympus WS-852

4GB digital voice recorder with expandable memory

Item # 279WS852

The Olympus WS-852 digital recorder features two built-in condenser microphones for capturing voices with clarity.

The Olympus WS-852 digital recorder features two built-in condenser microphones for capturing voices with clarity.

Item # 279WS852

Low stock

About the Olympus WS-852

An easy-to-use recorder

The Olympus WS-852 digital recorder features two built-in condenser microphones for capturing voices with clarity. It's an easy way to record classroom lectures, business meetings, or conferences. A low-cut filter helps ensure clear recordings even in settings with background noise such as wind.

An easy-to-use recorder

The Olympus WS-852 digital recorder features two built-in condenser microphones for capturing voices with clarity. It's an easy way to record classroom lectures, business meetings, or conferences. A low-cut filter helps ensure clear recordings even in settings with background noise such as wind.

Olympus WS-852

Built-in and expandable memory

The WS-852 recorder has 4GB of built-in memory, enough for up to 1,040 hours of basic-quality recordings. A microSD card slot lets you expand the recorder's memory by up to 32GB. And transferring your recordings to your computer for storage or editing is easy. Just use the recorder's retractable USB connector. Plug the recorder directly into your computer to drag and drop the files where you want them.

Voice activation and scene select

The voice-activation mode lets you make convenient, hands-free recordings. Simply select what you want to record, such as a lecture in a large hall or a small meeting, and Scene Select automatically adjusts the recording levels for you.

Playback options

You can use the built-in speaker for playback, or plug in headphones for more discreet listening. Add bookmarks as you listen to highlight key sections or for editing the file on your computer later on. The recorder can deliver up to 110 hours of operation with two supplied “AAA” batteries.


Product highlights:

  • built-in stereo directional condenser microphones
  • 4GB built-in memory
  • records to MP3 audio files
  • built-in recording functions:
    • voice activation start and stop
    • bookmark sections of a track during recording or playback
    • noise cancellation minimizes background sounds
  • expandable microSD card slot (memory card not included)
  • LCD display
  • built-in mono speaker
  • Scene Select automatically sets levels based on activity (lecture, meeting, conference, dictation)
  • high-speed USB interface with retractable connector
  • minijack headphone output
  • stereo minijack input for connecting an optional external microphone
  • up to 110 hours of operation with 2 "AAA" batteries (included)
  • 1-9/16"W x 4-7/16"H x 3/4"D
  • weight: 3.5 oz.
  • warranty: 2 years
  • Our 60-day money-back guarantee
  • MFR # V415121SU000

What's in the box:

  • Portable digital recorder (silver)
  • 2 "AAA" alkaline batteries (1.5V)
  • Basic Manual
  • Warranty/Online registration card

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More details on the Olympus WS-852

Russ B.

Product Research

General Features
Recording Features
Edit and Playback Functions

General Features

Overview: The Olympus WS-852 is a compact, hand-held portable digital voice recorder. The device records onto the built-in 4 GB flash memory or optional microSD memory cards (up to 32 GB). The recorder has two built-in microphones, a 20mm diameter dynamic speaker, and jacks for an external microphone and headphones. The WS-852 operates on two "AAA" alkaline batteries (supplied).

LCD Display: The WS-852 features a 1-1/2" (diagonal) monochrome LCD display which indicates recording and playback information. The recorder will display the elapsed or remaining recording time in hours, minutes, and seconds. When not recording, the current time can be displayed. You can set the display contrast to one of 12 levels.

Date and Time: The recorder features a built-in clock. If you have set the time and date, information as to when a sound file was recorded is stored automatically with that file.

Built-in Stereo Microphone: The unit features two built-in microphones on the top of the recorder, angled at 90 degrees for a wide pickup pattern. You can set the recording level to Low, High, or Auto. In addition to the built-in microphones, the recorder also has a 3.5mm external microphone input. Microphones with plug-in power supplies can be used.

Headphone Jack: A 3.5mm headphone jack is provided on the top of the recorder to allow you to listen to recorded files, or monitor the audio during recording. No headphones are included with the recorder.

Recording Memory: The WS-852 features a 4 GB internal memory for recording and storing files. In addition, the recorder has a slot for microSD memory cards with capacities ranging from 2 to 32 GB.

USB Plug: The WS-852 has a retractable Type A USB plug at the top to let you plug the unit directly into your computer for transferring files. The unit is Hi-speed USB 2.0-compatible, and can work with the following Operating Systems: Windows 8/8.1, Windows 7, Windows Vista, and Mac OS X (v10.5-v10.10).

Stand: The recorder has a flip-down stand on the back panel that raises the recorder off the surface so the microphone doesn't pick up surface vibrations.

Power Requirements: The recorder is powered by two "AAA" alkaline batteries (included). Fully-charged batteries provide the following battery life:

Recording Mode Recording Playback
Built-in Mic Speaker Earphone
128 kbps 41 Hrs 15 Hrs 70 Hrs
64  kbps mono 48 Hrs 15 Hrs 73 Hrs
8 kbps mono 110 Hrs 24 Hrs 90 Hrs

Power Save: The Power Save function turns off the display and switches the unit to Standby after the recorder has been stopped for at least 5 minutes.

Recording Features

Recording Format: The WS-852 records audio files in MP3 format in three recording modes: 128 kbps, 64 kbps mono, and 8 kbps mono. The lower bit rates provide longer recording times while higher bit rates offer better quality recordings. The maximum size for a single file is limited to approximately 4 GB. Specifications per recording mode are as follows:

  Recording Mode
128 kbps 64 kbps (mono) 8 kbps (mono)
Sampling Frequency 44.1 kHz 44.1 kHz 11.025 kHz
Frequency Response 70 Hz - 17 kHz 70 Hz - 15 kHz 70 Hz - 3.5 kHz
  Approximate Recording Time
Internal 4 GB memory 65 hours 131 hours 1040 hours
microSD card 8 GB 132 hours 264 hours 2100 hours
16 GB 264 hours 525 hours 4230 hours
32 GB 530 hours 1060 hours 8480 hours

Low Cut Filter: The WS-852 has a Low Cut Filter to minimize low frequency sounds. This helps make voice recording clearer, especially in windy conditions.

Voice Filter: The Voice Filter function cuts the low and high frequencies and emphasizes the midrange to make voices more clear. You can turn the Voice Filter on or off during normal playback, or during fast/slow playback.

Recording Scenes: A recording setting can be set to one of seven templates to suit the recording scene or situation. Each Recording Scene designates specific settings to suit the scene, including Recording Level (Lo/Hi/Auto), Recording Mode (128 kbps only), Low Cut Filter (On/Off), VCVA (On/Off), and V-Sync Rec (On/Off). The available Recording Scenes include:

  • Dictation: For recording your own voice and other sounds that are extremely close.
  • Meeting: Suitable for recording a meeting held in a small space.
  • Conference: Suitable for recording conferences in a large space
  • Duplication (Auto Divide): For duplicating cassette tapes and CDs. The silent intervals between tracks are detected to automatically divide the tracks so each one is saved as a separate file during recording.
  • Duplication (Timer): Records continuously to one file and stops when the set time is reached.
  • Telephone Rec: Suitable for recording telephone conversations.
  • DNS: Suitable for Speech Recognition software

VCVA Function: You can set the WS-852 to automatically start recording when it picks up sound and shut off when the sound stops. The Variable Control Voice Actuator (VCVA) lets you adjust the volume level threshold for starting and stopping recording. The VCVA level can be set to different values. You can set a detection time of 1, 2, 3, or 5 seconds. The recorder enters standby mode when the sound goes below the preset level for the set number of seconds.

Speech Recognition: Optional Dragon NaturallySpeaking software can automatically convert speech into text, making it easier to transcribe your recordings. The WS-852 was awarded 6 Dragons--the highest recognition rating from Nuance Communications, the maker of the Dragon software.

Hold Function: The recorder has a sliding On/Off switch. While recording or playing back a file, moving the switch to the Off position puts the recorder in the Hold mode. The recording or playback continues, but no other operations can be performed. This prevents any accidental operations during recording or playback.

Edit and Playback Functions

Playback Volume: The Olympus WS-852 lets you adjust the playback volume between 00 and 30.

Playback Frequency Response: The best frequency response during playback is 30 Hz to 20 kHz. The playback frequency response may be narrower depending upon the recording format.

File Storage: The recorded files are separated into five folders--A, B, C, D, and E. Each folder can store up to 200 files. You can search within each folder to find the desired file to play back, or use the Calendar Search function to search for files by their recording date.

Playback Speed: You can adjust the playback speed as you desire; slowing it down to review spots you couldn't understand, or speeding it up to listen to meeting content at a faster speed. You can vary the playback speed by 0.1x increments from 0.5x (half speed) to 2.0x normal speed. When playing back at a different speed, the WS-852 automatically adjusts the pitch to make the audio sound close to normal. You cannot manually adjust the pitch of the playback audio.

A-B Repeat: The A-B Repeat function lets you repeat a portion of a file over and over. This is helpful if you're transcribing a recording and need to listen to a segment repeatedly.

Index Marks: Setting an index mark lets you quickly find a location you want to listen to while fast forwarding or fast rewinding. Up to 99 index marks can be placed on a single file.

File Divide: Large files, or files with long recording times, can be divided for easier management or editing.

Erase: You can erase your recorded messages one by one, or all messages in a folder at one time.

File Lock: To prevent a file from being accidentally erased or edited, you can lock it. When a file is locked, it is regarded as a read-only file. It can later be unlocked, if desired.

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Customer Q&A

Crutchfield asked: Why did you buy this?
Wanted a digital recorder for interviews. 4G is plenty of hours, plus a I can expand with an SD easily. Only, only thing I would change would be the batteries -- I prefer rechargeables because of the hassle of disposing of non-rechargeables. I'd rather get no batteries at all! [ Sharon  Aug 25, 2018 ]
Affordable. I want to start honing long-dormant musical skills and need a good way to listen to what I have done. And improve. And listen. etc. [ DAVID P  Feb 22, 2016 ]

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