Adastra DM-8 Digital Messaging Unit
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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 directly recorded on the DM-8. Schedules are also stored on the SD media as a separate file, which can be edited with a PC and stored for backup. Separate SD cards may be saved with different audio messages and schedules and swapped for different routines. A mic/line input can be used for recording or for live announcements which can override SD playback. A BGM line input is provided for background music playback with its own level control and is muted when messages are playing or during paging. 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.
This is a practical option if you need a audio sources with clearly specified features and straightforward compatibility. The details below come from AVSL's current product information, so you can check the connections, size and performance before ordering.
What Is It Actually For?
It is designed for up to 99 audio tracks stored on SD card. The remaining features make it useful where you want a tidy, dependable setup without unnecessary complication.
Why Choose This One?
The DM-8 gives you a sensibly specified audio sources from Adastra. It is worth considering when you want the stated specification without paying for features that may not be relevant to your setup.
Who Is It For?
This is aimed at home users, installers, performers, schools, venues and production teams who need a suitable audio sources. Suitability will depend on the connections and specification your system requires, so those are worth checking carefully.
Key Features
- Up to 99 audio tracks stored on SD card
- Up to 99 schedule events stored on SD card
- Schedule file editable using free PC software
- BGM line input for background music
- Mic/Line input for recording or live announcements
Specifications
| Brand | Adastra |
|---|---|
| Model | DM-8 |
| SKU | 953.053UK |
| EAN | 5015972214770 |
| Power supply | 100-240Vac, 50/60Hz or 24Vdc |
| Fuse | T1AL 250V |
| Inputs | Paging mic/line (XLR or terminals), BGM (RCA) |
| 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 |
| Phantom power | +20V |
| Input impedance | 2.2k Ohms (mic/line) |
| Controls | Page/Rec, Mic, Clock Set, Schedule, Message 1-8, Output, 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 |
| Packaged weight | 2.5800kg |
| Packaged dimensions | 80 x 80 x 580 mm |
| Country of origin | CN |
| Tariff code | 8519890000 |
What’s Included
- 1 x Adastra DM-8 Digital Messaging Unit
Please Note
Please check connections, measurements and compatibility before ordering. Batteries, cables, fixings and accessories are only included where specifically stated in the product description.
Not Sure If This Is Right?
If you are not sure whether this audio sources will work with your existing equipment, get in touch with the make and model of the equipment you are connecting it to and we will help you check.

