Olympus DM4

Overview

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.

FEATURES

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.

Specs

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
Jacks 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)
Dimensions 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