Adastra RX45 Advanced Audio Matrix
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Adastra RX45 Advanced Audio Matrix
RX45 is a 1U rack-mountable audio matrix feeding 4 selectable inputs to 5 stereo outputs. An inbuilt audio player section features playback from USB media, DAB+ tuner or Bluetooth. Each zone output has a push button and LED ladder on the front panel for selecting the input source and adjusting level and tone settings in the master section. Connecting optional TR86 wall plates via CAT5 cable enables remote source and level selection for any zone. The output for the selected zone may be monitored through a headphones output on the front panel. The RX45 system is expandable using multiple RX45 units cascaded together via dual CAT5 links, with DIP switches to assign one of 8 different IDs to each connected RX45 unit, providing up to 40 distinct zones. Additional DIP switches can be set to link the audio player from one unit to one or more connected slaves.
This is a practical option if you need a multi-zone mixers 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 expandable up to 40 individual zones (8 x RX45). The remaining features make it useful where you want a tidy, dependable setup without unnecessary complication.
Why Choose This One?
The RX45 gives you a sensibly specified multi-zone mixers 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 multi-zone mixers. Suitability will depend on the connections and specification your system requires, so those are worth checking carefully.
Key Features
- Expandable up to 40 individual zones (8 x RX45)
- Inbuilt USB, DAB+ and BT audio player
- Local or optional TR86 remote control per zone
- Local audio connection available if using TR86 remote
- Emergency mute and emergency audio input contacts
- RX45 units linkable using standard CAT5 cable
Specifications
| Brand | Adastra |
|---|---|
| Model | RX45 |
| SKU | 953.046UK |
| EAN | 5015972231906 |
| Power supply | 100-250Vac, 50/60Hz (IEC lead included) |
| Fuse | T1AL |
| Audio source | USB/DAB+/Bluetooth audio player |
| Bluetooth version | 5.0 |
| Inputs | Paging mic. (XLR), 3 x stereo line (RCA) + call station (RJ45) |
| Microphone : input sensitivity | -41dBV |
| Line input : sensitivity | -12.5dBV |
| Call station input : sensitivity | +4dBV |
| Emergency control | 24V mute contacts and emergency audio input |
| EMG input: sensitivity | -10dBV |
| Signal to noise ratio : mic | 65dB |
| Signal to noise ratio : line | 73dB |
| Outputs | 5 x stereo zones (RCA) |
| Output impedance : line | 600 ohms |
| THD +N | <0.1% @ 1kHz |
| Monitor outputs | Stereo 3.5mm headphone jack (selected channel) |
| Phantom power | +24V switchable for paging mic. |
| Remote control connection | 8P8C (RJ45) |
| Link connection | 2 x 8P8C (RJ45) |
| Frequency response : ±3dB | 20Hz - 20kHz |
| Attenuation | -30dB (paging) |
| Dimensions | 44 x 190 x 483mm |
| Weight | 2.608kg |
| Packaged weight | 3.4120kg |
| Packaged dimensions | 83 x 83 x 575 mm |
| Country of origin | CN |
| Tariff code | 8519890000 |
What’s Included
- 1 x Adastra RX45 Advanced Audio Matrix
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 multi-zone mixers 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.

