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Olympus DM-620 Digital Recorder

Olympus DM-620 Stereo + 1 Conference Recorder

As of April 29th, 2016 the Olympus DM-620 is discontinued and no longer available.

Please see the new Olympus DM-720
that replaces it by clicking here.

Olympus Pro Line DealerThe portable Olympus DM-620’s new "TRESMIC" 3 microphone system now allows you to capture a wider stereo sound, making your recordings that much better. The ultra high-quality sound -- along with 4GB of built in memory and microSD card slot -- and three recording formats allow you to record incredible audio. The Olympus DM-620 is the podcaster's best friend.


  • Tresmic 3 microphones: stereo directional condenser microphones and a center omni-directional microphone gives you the ability to capture lower bass ranges
  • 4GB of built-in memory and a micro SD removable card slot
  • Record in PCM (WAV), MP3, and WMA formats
  • Charge your DM-620's lithium-ion batteries with a USB connection or with the optional AC Adapter
  • Record to your environment using simple scene selection
  • Includes Olympus Sonority software with easy file editing, file management, and Podcast Manager
  • Voice Control Voice Activation

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.

Free UPS Ground Shipping (USA Contiguous 48 States)

We know how important it is to get your order fast, so HTH Engineering maintains eleven shipping locations all over the country. As long as your order is placed before 3:30PM Eastern Time it will be shipped on the same business day. Orders placed on weekends or after 3:30PM Eastern Time will be shipped on the next business day.

To redeem your free UPS Ground shipping enter discount code 'dm620quick' at checkout.

View terms of shipping

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-620 Digital Stereo Recorder - Model #38620

Olympus DM-620

Package includes:
  • Olympus DM-620
  • Instruction Manual
  • Ni-MH rechargeable batteries
  • Carrying case
  • Strap
  • USB cable
  • Olympus Sonority software
The HTH Engineering Difference

Price: $147.99 

This product is no longer available as it has been discontinued by Olympus. See the latest recorder, the DM-720, that replaces it.


Technical Specifications

Storage Media

Built-in 4GB Flash memory and removable microSD media (up to 16GB)


Backlit LCD

File Format

Record and Playback: WMA, MP3, WAV

Recording Modes & Recording Times (WAV with 4GB internal memory)

48kHz / 16bit 5hr 25m
44.1kHz / 16bit 5hr 55m

Recording Modes & Recording Times (MP3 with 4GB internal memory)

320kbps 26h
256kbps 32h 30m
128kbps 65h 30m
64kbps mono 131h

Recording Modes & Recording Times (WMA with 4GB internal memory)

128kbps 64h
64kbps 128h
32kbps 257h
8kbps mono 1007h

Overall Frequency Response

20Hz - 20kHz (center microphone on)

70Hz - 20kHz (center microphone off)

Interface Input

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

Interfaces Output

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

Power Supply

Power supply 2 AAA batteries (Rechargeable included)


Weight 86g (incl. batteries)
WxHxD 110.8 x 39.8 x 15.4mm

Operating Systems & Requirements

Microsoft Windows XP/Vista/7 | Mac OS X 10.4.1- Yosemite

  • Olympus DM-620 Digital Recorder

Olympus DM-620 Digital Recorder



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HTH Engineering, Inc., Computer Hardware, Tarpon Springs, FL