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  4. Adastra DM-8 Digital Messaging Unit
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Adastra DM-8 Digital Messaging Unit
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Adastra DM-8 Digital Messaging Unit

Product Code: 282650

1U rack-mount digital messaging unit for scheduled audio playback.

£109.00 (INC VAT) WAS: £149.00 SAVE: £40.00
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Adastra DM-8 Digital Messaging Unit

1U rack-mount digital messaging unit for scheduled audio playback. Audio files are stored on a removable SD card and may be transferred by inserting into a PC or Mac computer or directly recorded on the DM-8. A single mic/line input can be used for recording or for live announcements which can override SD playback. Up to 99 schedules can be programmed to play a particular audio file from the SD card, set by 24 hour time and day(s) of the week. The DM-8 can be added to any sound system to provide automated playback of timed announcements, music or audio alerts.


  • Up to 99 audio tracks stored on SD card
  • Up to 99 schedules programmable for playback
  • Repeat function for looped playback
  • Mic/Line input for recording or live announcements
  • 19" rack mountable 1U



Power supply: 100-240Vac, 50/60Hz or 24Vdc
Fuse: T1AL 250V
Battery: CR2016 button cell (internal clock)
Input: XLR or terminal (bal/unbal) mic/line
Output: Mono balanced terminal or unbalanced RCA
Audio source: Internal SD card player
Time setting: 99 programmable schedules - 24 hour + day(s) setting
Mic/line channel controls: Mic/Line level, Phantom power on/off, Vox priority on/off (DIP switches)
Phantom power: +20V
Input impedance: 2.2k Ohms (mic/line)
Controls: Data Dial, Edit buttons, Message, Mic/Line, Output level, power on/off
Trigger: Message 1-8, Stop & Ground contacts
SD card requirements: 4-32GB FAT32 (full size or with adaptor)
Dimensions: 483 x 150 x 44mm
Weight: 1.65kg



  • DM-8 digital messaging unit
  • SD card
  • IEC mains lead(s)
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