Adastra Ceiling Boundary Microphone – CBM20
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Adastra Ceiling Boundary Microphone – CBM20
Low profile ceiling or panel mounting boundary microphone with an omnidirectional pick-up pattern which is suitable for use where discreet audio surveillance is required. Applications range from audio pick-up in induction loop systems to audio monitoring and recording for CCTV systems.
This is a practical option if you need a boundary 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 phantom powered (9-52Vdc). The remaining features make it useful where you want a tidy, dependable setup without unnecessary complication.
Why Choose This One?
The CBM20 gives you a sensibly specified boundary 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 boundary. Suitability will depend on the connections and specification your system requires, so those are worth checking carefully.
Key Features
- Phantom powered (9-52Vdc)
- Threaded for up to 50mm through-hole mounting
- Omnidirectional pickup pattern
Specifications
| Brand | Adastra |
|---|---|
| Model | CBM20 |
| SKU | 952.347UK |
| EAN | 5015972225462 |
| Power supply | 9-52Vdc phantom power |
| Cutout | 20mmØ |
| Connection | XLR male |
| Frequency response | 50Hz-17kHz |
| Max. input SPL | 140dB @ 1kHz (≤1% THD) |
| Sensitivity | -39dB ±3dB (0dB=1V/Pa at 1kHz) |
| Impedance | 200 Ohms ±30% (at 1 kHz) |
| Dimensions | 72 x 32mmØ |
| Weight | 76g |
| Packaged weight | 0.1800kg |
| Packaged dimensions | 50 x 50 x 150 mm |
| Country of origin | CN |
| Tariff code | 8518100090 |
What’s Included
- 1 x Adastra Ceiling Boundary Microphone – CBM20
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 boundary 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.