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This product has been superseded by the DS2600 . Please click here for more information.

Olympus DS2500 Digital Voice Recorder

Give efficiency a lift in your workplace with the attractively styled, metal bodied Olympus DS 2500 digital dictation device. Ideal for all busy professionals, this powerful tool lets dictations and notes be taken both at the desk and on the go to ensure a maximum utilisation of precious time to fully exploit productivity potentials. The DS 2500 includes a host of valuable features and functions for high quality recording in the professional DSS Pro file format, boasts versatile editing options, and provides the convenience of battery charging via USB. And together with a transcription kit, dictation will be simply implemented in your office.


  • Digital Voice Recorder in full metal body
  • Control via Push buttons
  • Rechargeable Ni MH battery pack
  • Battery charge function (via USB)
  • NEW Button
  • Editing functions (overwrite/insert/delete/security lock)
  • Large display with white LED backlight
  • HOLD switch
  • Centralised navigation buttons for easy data input and setting
  • Index marks (up to 32 per file)
  • Smooth Cue/Review
  • Menu navigation with multiple language support (6 languages)
  • USB 2.0 Hi Speed, USB composite device (Storage/Audio/HID class)
  • USB microphone/speaker full duplex
  • Recording in the high compression, high quality DSS Pro format
  • 3 smart buttons
  • Two recording qualities: QP/SP
  • 5 folders for file storage, 200 messages per folder
  • Individual folder names
  • File Lock
  • Author ID Setting
  • Compatible with optional voice recognition software


Storage Media

  • Internal / Removable Media: Removable only
  • SD / SDHC Slot: Yes
  • microSD / microSDHC card: No
  • External Memory (Slot):SD / SDHC card (512 MB 32 GB)

USB functionality

  • USB Speed: USB 2.0 High Speed
  • USB Classes: USB Composite device,USB Storage class


  • Display Type: Full Dot Matrix Display
  • Display colour: White
  • Display Size: 31.8 x 30.8mm / 1.74
  • Resolution: 128 x 108pixels
  • Display Backlight: LED ( White )
  • Contrast Adjustment: Yes

Device operation

  • Main Switch:Push
  • Programmable button: 3 Smart Buttons
  • Power switch: Yes
  • HOLD switch: Yes

File Format

  • Data format: DSSPro (Digital Speech Standard Pro),

Recording Modes

  • Recording format: DSS Pro
  • QP mode: 148h (with 2GB memory)
  • SP: 303h (with 2GB memory)

Playback Modes

  • Playback format: DSS Pro

Sampling frequency

  • QP: 16kHz / 28kbps
  • SP: 12kHz / 13.7kbps

Frequency response

  • DSS / DSS Pro:QP / 200 – 7500Hz,SP / 200 – 5500Hz

Record function

  • Operation: New button,Pause function
  • Index Up to 32 per file
  • Auto recording: VCVA recording
  • Sound control Rec Monitor
  • Editing: Insert,Overwrite

Playback function

  • Playback control:Cue/Review
  • Playback speed: Slow/Normal/Fast
  • File operation:Forward / Reverse Skip,Fast forward and rewind,Skip Playback

Data organisation

  • File move: No
  • No. of folders for Voice: 5
  • Files per folder: 200
  • Schedule recording: No
  • Temp mark: No
  • Erase: Erase all files,Erase single files,Partial
  • Time/date info: Yes
  • User ID setting: (Possible from DSS Player)

Workflow function

  • Author ID Setting: Yes 1
  • Priority setting:No
  • Pending File: No
  • Worktype ID Setting: No
  • Items: 0
  • Dictation tags 0

Technical Data

  • AC power supply:Yes
  • Individual Folder Names: No

Other Features

  • Barcode support:No
  • Security function: No


  • corresponding Audio software (type):Dictation Management Software
  • Corresponding Audio software (name):DSS Player Software
  • Corresponding solution: Audio Management Software For (detailed) software functions of Olympus dictation management software please refer to the relevant software pages.

Interfaces Input

  • PC interface: USB Cable
  • Microphone jack: 3.5 ø mm mini jack, impedance 2 kΩ
  • Microphone sensitivity / gain: Dictation / Conference
  • Input Level: 70dBv
  • Microphones: Built in mono microphone / Plug in mono microphone

Interfaces Output

  • Speaker Diameter:Built in ø23 mm round dynamic speaker
  • Max. working output: 300mW or more (8 Ω speaker)
  • Earphone jack:3.5 ø mm mini jack, impedance 8Ω or more

Power Supply

  • Power Supply: Battery: 2 x AAA
  • Ni-MH battery life: Recording SP: 37h
  • Alkaline battery life: Recording: Approx. 50h (SP Mode)
  • Internal Charging: AC / USB,Note: Internal charging operable only with Olympus rechargable batteries,AC adapter and cradle are optional items


  • Weight:105g (incl. batteries)
  • HxWxD: 113.5 x 50 x 17mm (without protrusions)
  • Housing colour:Silver
  • Housing material:Metal


  • Menu languages:English, German, French, Spanish, Italian, Russian

Hardware Security

  • Device lock by PIN code: No
  • Device Locky by Fingerprint: No
  • Lock single files: Yes

Operating Systems & Requirements

  • Note:For Operating System & Requirements of Olympus dictation management software please refer to the relevant software web pages