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Olympus DM-901

Digital Voice Recorder Olympus DM-901
Digital Voice Recorder 4GB MP3 / WMA, micro SD / SDHC, USB, WiFi, Li-Ion battery
Code:  OL607b9 Extended Warrant +6 months Product Number:  V407141BE000
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Olympus DM-901

The time when the recorder was used for simple audio recording, has long since passed. Professional Digital Voice Recorder from Olympus that offers much more. Never again will you miss even a single word. Get a perfectly clean record, which can be further processed. Inside the device is hidden low noise stereo microphone recording angle up to 90 degrees. All recordings are worded so quite naturally, bigger holes around the microphone after allowing a flawless record.

Key Features

  • Pairing with smart phones using Wi-Fi
  • Linking images and timelines for the creation of a visual index
  • Low noise stereo microphone recording angle up to 90 degrees
  • Color screen, intuitive user interface
  • Manual adjustment of the recording level according to the volume of resources
  • Zoom microphone polar patterns adapted to a particular environment
  • Voice playback function plays only sections containing voice recording
  • Scene Selection to set the best parameters in a given situation

Full equipment for maximum productivity

The instrument stands out among the others dictating mainly due to the large number of additional features. Increase productivity with remote control via wireless Wi-Fi. Just install the free app to your smartphone. All records will be much clearer as a dictaphone place closer to the speaker. An added value is the possibility of immediate sharing.

Visual index is among other tweaks this device. While recording, you had to buy a smartphone using images that are combined with the timelines. Search and management recording will be really easy. In combination with a friendly user interface can handle all the tasks more quickly and with minimal effort.

Outstanding performance

Dictaphone enchant each user and their perfect parameters. Built-in memory of 4GB allows you to retain all records. If necessary, you can expand the storage via Micro SD / SDHC / SDXC cards. It is possible to capture the voice in MP3, WMA and Linear PCM (48 kHz). On a single charge lasts long device to work 29 hours (LP mode).


4GB internal memory
Expandable using MicroSD / MicroSDHC / microSDXC cards

TFT color display, backlit
31.7 × 39.6 mm, 2 ''

Recording function:
Index: Up to 99 in one file
Automatic recording: recording time
Recording Modes: meeting, conference, lecture recording, speech recognition
Sound check: manually adjust the recording level, Zoom Mic. setting a low pass filter
Advanced Recording: direct recording

Playback function:
Playback Speed: adjustable (50-600%)
File operation: fast-forward and rewind, jump playback
Repeat Function: Repeat Play, AB Repeat Play
AutoPlay alarm playback, continuous playback, shuffle
Enhanced Sound System: balancing voice, noise reduction

Data Management:
Lubrication: delete all files, deleting single files, partial
The number of voice components: 5
The number of files per folder: 999
Spare brand
File move
Distribution file: Yes (Only PCM and MP3 files)
Copy files (from folder to folder)
Podcast folder: 1

Other elements:
Podcast support, voice navigation, remote control, visual function index


Input interface:
Sensitivity / Gain microphones: High / Medium / Low
Microphone jack: 3.5 mm jack / impedance 2.2 kilohms
PC interface: USB cable
Microphone: built-in stereo microphone

Speaker Diameter: built-in speaker circular with a diameter of 20 mm
Maximum working output: 280 mW or higher
Headphone jack: 3.5 mm jack, impedance 8 ohms or more

Battery: LI-50B rechargeable, Lithium-Ion Battery
External power supply: USB AC adapter (A-514)
Life of Li-Ion batteries: approx record. 29 h (LP mode), playback of approx. 29 h (LP mode) via headphones
Internal Charging: AC / USB

115 × 51 × 17.9 mm (excluding protrusions)

105 g

Housing color:

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Specifications can be changed without notice. Images are for illustrative purposes only. Retail Price (MSRP) means the manufacturer's/supplier's suggested retail price.

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