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Item #142665-U410-AF01

The DM-620_Сйs 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 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.


Stereo Directional mic and Center Omni Directional mic allow you to capture lower bass ranges with stunning clarity.


4GB of internal memory allows you more than a thousand worry-free hours of recording time, with microSD card compatibility that extends it to 512MB-32GB.


Record and play back in MP3, WMA and PCM formats with a quality that’s as good as its operation is easy.


Charges the battery while connected to your PC or plugged in the AC Adapter (optional). Long battery life with lithium-ion rechargeable battery.


Automatically adjust recording to your environment with the scene selection playback function.


The bright LCD supports and displays three languages -- another plus for accessibility. (EN/FR/ES/PT)


A voice guidance system ensures seamless, user-friendly operation of all functions in the menu.


Built-in VCVA (Variable Control Voice Actuator) is another hands-free function that adds ease and practicality.


Easy-to-use Olympus Sonority editing software for sound editing, file management and Podcast management, compatible with PCs and Macs.

Product Specifications

Recording Format PCM (WAV), MP3 and WMA
Recording Media Built-in 4GB flash memory and micro SD card slot
Recording Time PCM
48kHz 16-bit: 5h25m
44.1kHz 16-bit: 5h55m

320kbps: 26h
256kbps: 32h30m
128kbps: 65h30m
64kbps mono: 131h

128kbps: 64h
64kbps: 128h
32kbps: 257h
8kbps mono: 1007h
PC Interface Hi speed USB 2.0
Overall Frequency Response 20Hz-20kHz(center microphone ON)
70Hz-20kHz(center microphone OFF)
Practical Maximum Output Headphone: 4.0mW + 4.0mW (at load of 16Ω)
Speaker: 400mW (8Ω load)
Speaker 20 mm round dynamic speaker (mono)
Microphone Jack 3.5mm dia. Mini-jack, impedance 2.2kΩ
Earphone Jack 3.5mm dia, impedance 8Ω or more
Power Supply 2 x AAA Ni-MH rechargeable batteries or alkaline (LR03 or R03) batteries / DC5V AC adapter (optional)
Size 4.4" x 1.6" x 0.6" (110.8 x 39.8 x 15.4 mm)
Weight 3.03 oz (86g), including batteries
OS Supported Microsoft Windows XP/Vista/7 Mac OS X 10.4.1-10.6

Specifications and design are subject to change without notice.

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June 20, 2016 by Norman
More Improvements And Options
I bought this recorder 2 years ago and I am still learning its many features some of which I will never use. There are 3 improvements I would like to see on future models and they are: 1. Bigger speaker for improved sound quality. Without ear phones you have to turn the volume all the way up. 2. More flash memory starting at 16GB and more optional card slot memory starting from 32, 64, or128GB. In other words you can insert either a 32, 64, or 128GB card into the card slot memory. Currently when I use Olympus Sonority which is all the time and I really get a kick out of it the only thing I don't like is I cannot set other options while using Sonority that are blanked out. Other than that the recorder is worth its weight in gold. For now I'll give this recorder a 4 star rating. If more improvements and features are added to the DM series in the near future I'll be among the first to purchase an additional one and give it a 5 star rating. Please let me know when you come up with an improved DM series digital recorder. Until then I'll continue using my DM-620 until I can't use it anymore.
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June 9, 2012 by cbs
works well
I bought this solely to use with macspeech scribe and the results are excellent - there is even a 'DNS' scene preset. I suspect that the sound quality is so good that this device is overkill for Dragon products. That said, it is a poor substitute for a dedicated dictation unit, as one can not 'rewind' and re-record over a mistake with this unit. while I plan to use this device to record depositions from time-to-time, I've not done so yet so can't comment on how it will work; however, I did change 'scenes' to record an owl that visits my neighborhood every few months, and was amazed at how well it picked up every sound around me, including a distinct chirp of a smoke detector indoors and in the basement needing a battery replacement and the deep rumble of a growl of one of the dogs inside that heard me walk out past a window as i was getting in place to pick-up the owl. One thing I don't particularly care for is the fact that the 'Sonority' software only gives you the option to 'download all' but doesn't comply with the 'delete from device after download' command, so repeatedly downloads the same freakin' recording until you manually select and delete it.
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August 27, 2011 by Silly bean
Good quality and long battery life.
I was thinking of going for the dm2 rather, but I am so glad I rather took the 620 as its battery life is simply something I have never come across ever before. The omni mic was a great idea and it do make a difference. But what I also like more is that the unit now speak when you insert the batteries. Thank you for making this recorders blind friendly. I just wish that it had recording stand by wich you can switch on and off. I don't mean the stand by that is already with the VCVA settings. And it also need to provide more speech feedback such as the file properties system and memory information and when setting the date and time. The way the battery cover works is great and I don't have to worry that I mite take it off and lose it somewhere.
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