Adastra: 953.225UK, RM-series 100V Mixer-Amplifier, 240W, DAB+, Bluetooth, USB/SD
About this product
RM-series 100V Mixer-Amplifier with DAB+, BT, USB/SD
This 5-channel 19" rack-mountable mixer-amplifier is designed specifically for commercial sound installations, capable of powering 100V line speakers or standard speakers down to a 4 Ohm load. The device includes a DAB+/FM radio tuner, front-mounted SD/USB ports, and Bluetooth connectivity, controlled via an integrated media player for seamless playback.
- DAB+/FM radio tuner
- Bluetooth receiver with unique serial ID
- USB/SD audio player
- 4 switchable 100V outputs and 1 unswitched output
- Optional 4-16 Ohm output
- XLR input with switchable +20V phantom power
- 2 x mic/line inputs, 2 x RCA line inputs, 1 x RCA line output
- Switchable VOX voiceover feature
- 2U 19" rack mountable (rack ears supplied)
- 24V emergency mute contacts
- Mains power options: 230Vac or 24Vdc
Specifications
Specifications
Total Harmonic Distortion (THD) | <1.0% |
---|---|
Fuse Rating | T5A |
Inputs | Mic XLR, 2 x mic/line jack, 2 x RCA line |
Weight | 7.37 kg |
Controls | Mic1, mic/line2+3, line4+5, bass, treble, master volume |
DC Power Output | 24Vdc (screw terminals) |
Line Output Type | RCA |
Audio Sources Available | DAB+/FM tuner, USB/SD player, Bluetooth receiver |
Power Supply Specs | 170-264Vac, 50Hz (IEC) |
Phantom Power | +20V (mic 1 XLR, switchable) |
Speaker Outputs | 4 switched + 1 non-switched 100V / 4-16 Ohms / COM |
Bass Equaliser Range | 100Hz ±10dB |
Bluetooth Version Supported | 5.0 |
Emergency Control Features | 24V contacts - mute all except Mic.1 when triggered |
Treble Equaliser Range | 10kHz ±10dB |
Output Power (RMS) | 240W |
Rear Panel Switches | Phantom, Vox, Mic/Line (2 + 3) |
Input Impedance (Mic 1) | 5k Ohms |
Input Impedance (Inputs 2-5) | 1k Ohms |
Input Sensitivity (Mic 1, Balanced) | -53dBV |
Input Sensitivity (Line, Unbalanced) | -15dBV (-18.5dBV line 5) |
100V Mixer-Amplifier with DAB+, BT, USB/SD features

Adastra: 953.225UK, RM-series 100V Mixer-Amplifier, 240W, DAB+, Bluetooth, USB/SD