• Home
  • FAQ
  • Contact Us
  • About Us
  • Support
  • How to Order
  • 95% Recommend Us
  Loading... Please wait...

Olympus DM-420 Digital Stereo Recorder

This item has been discontinued by the manufacturer. We recommend the Olympus DM-720 as a suitable replacement.



With the DM-420, you can do much more than just record high-quality audio files. It has the advanced software and capabilities you need to record and play back MP3 and WMA formats, as well as manage podcasts. With 2GB of internal memory and up to 16GB of external memory, the possibilities are truly limitless.

The DM-420 ships with the exceptional Olympus Sonority software, allowing for easy editing and file management. The software also includes the new Podcast Manager to help you create and download podcasts.


  • Record for up to 533 hours with 2GB of internal memory
  • 10 recording modes in WMA or MP3 stereo formats
  • Playback audio files in WMA, MP3, and WAV formats
  • PC Link allows you to download files directly to your PC
  • Charge the indluded AA rechargeable batteries with the USB PC Link
  • Includes Olympus Sonority software with easy file editing, file management, and Podcast Manager
  • Removable media microSD drive
  • Voice Control Voice Activation
  • Playback Speed Control

Included at no extra cost

Technical Support

We want you to be completely happy with your purchase so we offer concierge technical support for as long as your own the product.

One Year Warranty & 30 day Guarantee

Your investment is protected by a one-year manufacturer's warranty and our 30 day money-back guarantee.

Additional Information


Olympus DM-420 Digital Stereo Recorder - Model #38000

Package includes:
  • Olympus DS-420
  • Instruction Manual
  • 2 AA rechargeable batteries
  • Carrying case
  • Strap
  • USB cable
  • Olympus Sonority software
The HTH Engineering Difference

Technical Specifications

Storage Media

Built-in 2GB Flash memory and removable microSD media


Backlit LCD

File Format

Record: WMA, MP3 (Windows and Mac compatible); Playback: MP3, WMA, WAV

Recording Modes & Recording Times (MP3 with 2GB internal memory)

320kbps 13hr 30m
256kbps 17hr 0m
192kbps 22hr 45m
128kbps 34hr 0m

Recording Modes & Recording Times (WMA with 2GB internal memory)

STXQ 34hr 0m
STHQ 68hr 0m
STSP 136hr 0m
HQ 136hr 0m
SP 268h 0m
LP 533hr 0m

Sampling Frequency

PCM 44.1 - 48kHz / 16bit
WMA 8 - 44kHz / 5 - 256kbps
MP3 8 - 44.1kHz / 8 - 320kbps

Data Organization

Folders 5 (plus music and podcast folder)
Files per folder 999
Messages per folder 200
Index Marks per file 16

Interface Input

PC Interface USB Direct, 2.0 Full Speed
Microphone jack 3.5mm / Impedence, 1.4 kOhm
Microphone sensitivity Conference / dication
Input level -70 dBv

Interfaces Output

Speaker 23mm round dynamic speaker
Earphone jack 3.5mm / Impedance, 8 Ohm

Power Supply

Power supply 2 AA batteries (Rechargeable included)
Battery Life (Recording) 51 Hours


Weight 84g (incl. batteries)
WxHxD 110 x 38.9 x 16mm

Operating Systems & Requirements

  • Operating system: Microsoft Windows Vista Ultimate, Enterprise, Business, Home / XP Professional, Home Edition / 2000 Professional
  • CPU (Windows 2000/XP): 500 MHz processor or faster
  • CPU (Windows Vista): 800 MHz processor or faster
  • RAM (Windows 2000/XP): 128 MB or more
  • RAM (Windows Vista): 512 MB or more
  • Hard drive space (Dictation Module): 70 MB or more
  • Hard disk space (Microsoft .NET Framework Version 2.0): 700 MB or more
  • Display: 800 x 600 pixels or more 65536 colours or more
  • Drive: 2 x or faster CD-ROM, CD-R, CD-RW, DVD-ROM
  • USB port: One or more free ports
  • Audio I/O terminals: Windows-compatible sound
  • Internet Explorer 6.0 or later

  • Olympus DM-420 Digital Stereo Recorder

Olympus DM-420 Digital Stereo Recorder



Payment Options:

We accept these fine plastic substitutes for cash.
We also accepts payments through PayPal
faastrak Logo
PayPal Credit

Sign up to our newsletter

Connect with us:
Twitter Icon Facebook Icon Facebook Icon


Olympus Certified Partner
Dragon Medical Practice Edition Certified
Philips Certified Partner 2021
HTH Engineering, Inc., Computer Hardware, Tarpon Springs, FL