DM-4

Olympus DM-4 THE DAISY-COMPATIBLE RECORDER THAT DOES IT ALL.

The DM-4 delivers everything you expect from an Olympus audio recorder, and then some. With its incredible 8GB of internal memory, it supports more than 2,000 hours of MP3, PCM and WMA recording and allows plenty of storage for your favorite songs. It also supports Daisy (Digital Accessible Information System) — specialty software that converts textbooks into speech for the blind and dyslexic.

The DM-4′s 2.2-inch color LCD screen provides brilliant colors and readability in any light.

 

RECORDING HOURS

Supports over 2,000 hours of recording with 8GB internal memory. Also supports removable microSD media up to 16GB.

MULTIPLE RECORDING FORMATS

Enables high quality recording, no additional software required. Records in MP3, PCM and WMA formats; plays back in MP3, PCM, WMA and Audible file formats.

PC LINK

Uploads files directly to your PC using a simple cable connection, while the USB 2.0 High-Speed Storage feature allows fast transfers and mass storage of files.

Recording Format

MP3, PCM (WAV) and WMA

Recording Media

Built-in 8 GB flash memory (and micro SD card slot)

Recording Time

PCM
48 kHz 16 bit 11 hours, 5 minutes
44.1 kHz 16 bit 12 hours, 5 minutes

MP3
44.1 kHz 320 kbps 53 hours, 00 minutes
44.1 kHz 256 kbps 66 hours, 30 minutes
44.1 kHz 192 kbps 89 hours, 00 minutes
44.1 kHz 128 kbps 133 hours, 00 minutes

WMA
STXQ 44.1 kHz 128 kbps 130 hours, 30 minutes
STHQ 44.1 kHz 64 kbps 261 hours, 00 minutes
STSP 22 kHz 32 kbps 522 hours, 00 minutes
HQ 44.1 kHz 32 kbps 522 hours, 00 minutes
SP 22 kHz 16 kbps 1,029 hours, 00 minutes
LP 8 kHz 8 kbps 2,043 hours, 00 minutes

LCD

2.2 inch, color

Folders

Voice

5 folders / Up to 999 files per folder

Music

1 folder / Up to 999 files

Podcast

1 folder / Up to 999 files

Overall Frequency Response

PCM
48 kHz 16bit: 40-23,000 Hz

MP3
128 kbps: 40-17,000 Hz

Mic

70-20,000 Hz

Speaker

23 mm round dynamic speaker

Microphone Jack

3.5 mm / Stereo mini

Earphone Jack

3.5 mm / Stereo mini

Power Supply

LI-50B Lithium Ion battery or AC power supply

Batteries

29 hours (LP mode recording)

Size

4.5 x 1.8 x 0.6 in. (113.6 x 45.6 x 15.2 mm) without protrusions

Weight

3.5 oz. (98g) including battery