DSS, DS2, MP3 & PCM Recording Formats

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From the office to the field, the Olympus DS-3500 Professional Dictation Digital Voice Recorder is a perfect choice for almost any professional who requires the benefits of a digital voice recorder and professional dictation device. You can record using DSS, DS2 (DSS Pro), PCM (WAV) and MP3 formats. The DS-3500 features the Olympus Dictation Management System and supports Nuance's Dragon NaturallySpeaking as well. For added safety, the DS-3500 is equipped with device password protection and DSS Pro real-time 128- or 256-bit file encryption, which makes the recorder ideal for work environments that deal with sensitive information.

The DS-3500 supports both SD and microSD card expansion up to 32GB. Plus, it features a redesigned, speech-optimised microphone. There's a USB interface for data transfers and a D23 300mW speaker as well. The integrated lithium-ion battery allows you to record up to 26 hours without recharging. For added convenience, the DS-3500 is equipped with a multi-language, two-inch colour LCD screen. Plus, Olympus designed the DS-3500 with intuitive controls for simple and easy operation.

Key Features

Enhanced Security

Device password protection and DSS Pro real-time 128-bit or 256-bit file encryption makes the DS-3500 ideal for workplace environments that deal with sensitive information

Full Workflow Integration

Packaged with the next-generation Olympus Dictation Management System (ODMS) software and compatible with Nuance Dragon NaturallySpeaking voice recognition software, the DS-3500 is designed to become an essential part of any office's dictation workflow directly out of the box. Support for up to 32 index marks per dictation file makes it easy to locate critical information

Endless Flexibility

A vast array of functions and accessories, audio codes and indexing options, as well as support for multiple work types and users, makes the DS-3500 customisable enough to suit any purpose in any IT environment. The ODMS software is compatible with Microsoft Windows 7, Vista, XP and Mac OS X

Superior Sound Quality

The DS-3500's redesigned, speech-optimised microphone is independently housed for flawless sound reproduction. It's the only Olympus Professional Dictation device to support DSS/DSS Pro, WAV and MP3 recording formats

Expandable Storage Capacity

Dual SD and microSD card slots allow for up to 32GB of total memory. The included 2GB microSD card holds up to approximately 306 hours of recording time

Multiple Language LCD Screen

The DS-3500 features a 2" colour LCD screen that supports English, French and Spanish - as well as personalised welcome messages

Longer Battery Life

The lithium-ion battery has a capacity of 710 mAh. It's rechargeable through your computer's USB port and a full charge affords up to 26 hours of recording time

Intuitive Controls

With redesigned push-button playback controls and three programmable function buttons, the DS-3500 promotes simple, easy operation


Recording FormatDigital speech standard (DSS)
DS2 (Digital Speech Standard Pro)
Microphone TypeInternal StereoIndependently Housed Speech-Optimised Microphone
Pickup PatternNot Specified By Manufacturer
SpeakerYesD23 300mW Speaker
Display Size/Type2" LCDColor LCD Display Supports Three Languages (English, French, Spanish)
Battery Typex Built-in Rechargeable Lithium-ion Battery
Battery Life (approx.)Recording: 26 Hours
Power AdapterNo
Internal MemoryNone
Compatible Memory CardsSD
microSDDual Card Slots (up to 32GB)
Connectors1/8" mini Female Out
USBUSB 2.0 (Mini-B)
System RequirementsWindows XP, Vista, 7 
Mac  OS X.4.11 - OS X.7
Dimensions (WxHxD)2.0 x 4.5 x .67" (5.08 x 11.43 x 1.70 cm)
WeightNot Specified By Manufacturer
Olympus DS-3500 Professional Dictation Digital Voice Recorder
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