Olympus Digital Voice Recorders
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Olympus Digital Voice Recorders Feature Comparison Chart
See also Olympus Professional and High-End Digital Voice Recorders.
Click on model number in the chart below to see photo and detailed features.
Click on any underlined feature on this chart for a more detailed explanation.
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Key Features |
Olympus VN-4100 |
Olympus VN-4100PC |
Olympus WS-110 |
Olympus WS-311M |
Olympus WS-321M |
Olympus WS-331M |
| Recording Format1 |
CELP + ADPCM |
CELP + ADPCM |
WMA |
WMA |
WMA |
WMA |
| Recording Media - Built-in Flash Memory/ Removeable xD-Picture Card Included2 |
256MB Flash |
256MB Flash |
256MB Flash |
512MB Flash |
1GB Flash |
2GB Flash |
| Recording Time (approx.) HQ/SP/LP Modes, (hrs. : min.) |
23:40 47:20 144:20 |
23:40 47:20 144:20 |
17:30 34:35 68:45 |
35:25 69:40 138:30 |
70:55 139:30 277:35 |
142:05 279:35 555:45 |
| Input Level |
-70dB |
-70dB |
-70dB |
-70dB |
-70dB |
-70dB |
| USB PC Interface |
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x |
x |
x |
x |
x |
| Convenient USB Docking Station3 |
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| LCD |
x |
x |
x |
x |
x |
x |
Key Features |
Olympus VN-4100 |
Olympus VN-4100PC |
Olympus WS-110 |
Olympus WS-311M |
Olympus WS-321M |
Olympus WS-331M |
| LED |
x |
x |
x |
x |
x |
x |
| Folders / Messages Per Folder4 |
4 / 100 |
4 / 100 |
5 / 199 |
5 / 200 |
5 / 200 |
5 / 200 |
| Sampling Frequency HQ/SP/LP Modes |
16.0kHz 12.0kHz 7.0kHz |
16.0kHz 12.0kHz 7.0kHz |
44.0kHz 12.0kHz 8.0kHz |
44.1kHz 22.0kHz 8.0kHz |
44.1kHz 22.0kHz 8.0kHz |
44.1kHz 22.0kHz 8.0kHz |
| Voice Activation5 |
x |
x |
x |
x |
x |
x |
| Store and Playback WMA audio 6 |
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x |
x |
x |
x |
| Demographic Data Input 7 |
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Key Features |
Olympus VN-4100 |
Olympus VN-4100PC |
Olympus WS-110 |
Olympus WS-311M |
Olympus WS-321M |
Olympus WS-331M |
| Programmable Buttons 8 |
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| Slide Switch Control 9 |
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| Write Protection |
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| Dynamic Internal Speaker |
28mm |
28mm |
16mm |
18mm |
18mm |
18mm |
| External Microphone Jack |
x |
x |
x |
x |
x |
x |
| Earphone Jack |
x |
x |
x |
x |
x |
x |
| Batteries |
2 AAA |
2 AAA |
1 AAA |
1 AAA |
1 AAA |
1 AAA |
Key Features |
Olympus VN-4100 |
Olympus VN-4100PC |
Olympus WS-110 |
Olympus WS-311M |
Olympus WS-321M |
Olympus WS-331M |
| External Power Supply (Optional AC Adapter) |
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| Battery Life (Approx. Using Alkaline Dry Cell Battery) |
25 hours |
25 hours |
21 hours |
21 hours |
21 hours |
21 hours |
| Size H x W x D (excluding protrusions) |
4.0" x 1.54" x 0.77" |
4.0" x 1.54" x 0.77" |
3.7" x 1.5" x 0.4" |
3.7" x 1.5" x 0.4" |
3.7" x 1.5" x 0.4" |
3.7" x 1.5" x 0.4" |
| Weight (including batteries) |
2.2 oz. |
2.2 oz. |
1.6 oz. |
1.7 oz. |
1.7 oz. |
1.7 oz. |
| OS Supported (see individual product pages for specifics) |
N/A |
MS Windows |
MS Windows |
MS Windows |
MS Windows |
MS Windows |