AUSTRALIAN MONITOR DMA1 Datasheet

Digital Message Announcer
At a Glance
> Plays MP3 fi les
> Standard SD card digital message storage
> On board Play, FF, Rew & Stop controls
(with remote capability)
> Contact closure fi le replay triggers
A More Thorough Examination...
The Australian Monitor Installation Series DMA1 digital message
announcer is a compact yet highly featured digital playback device.
Utilizing an SD card digital storage format the DMA1 delivers high
quality stereo audio in an MP3 format. Messages can be played or
triggered using the on-board controls, via remote switches, contact
closure or via RS485 serial control. The DMA1 also boasts an on
board 20 watt per channel D class power amplifi er as well as stereo
inputs & outputs which allow it to be inserted in line with another
BGM feed.
DMA1
> RS485 control
> Capacity up to 255 messages
> Stereo In/Out
> Onboard 20 watt per channel D class
power amp
130 minutes of music ( at 128kbps sample rate ) can be stored in
the supplied 128MB memory card. The DMA1 supports memory
cards up to 1GB and variable bit rate music fi les.
The DMA1's compact size belies the wealth of features it offers.
It is a highly innovative & cost effective digital message
storage & playback device that has a host
of commercial applications.