Adastra Audio Products

Adastra RM-series Mixer-Amplifier

Adastra RM240D Mixer-amp 100V BT/DAB+ 953.225UK
Adastra RM240D Mixer-amp 100V BT/DAB+ 953.225UK
Adastra RM360D Mixer-amp 100V BT/DAB+ 953.226UK
Adastra RM360D Mixer-amp 100V BT/DAB+ 953.226UK
Adastra RM120D Mixer-amp 100V BT/DAB+ 953.224UK
Adastra RM60D Mixer-amp 100V BT/DAB+ 953.223UK
Adastra RM60D Mixer-amp 100V BT/DAB+ 953.223UK
Adastra RM120D Mixer-amp 100V BT/DAB+ 953.224UK
Adastra Audio Products

Adastra RM-series Mixer-Amplifier

Mixer-Amplifier with DAB+, BlueTooth, USB/SD

5-channel 19" rack-mountable mixer-amplifier, tailored to commercial sound installations to power 100V line speakers or standard speakers down to a 4 Ohm load. Input options include XLR (with switchable phantom power), mic/line jack, and RCA line. 

Features an inbuilt DAB+/FM radio tuner, front-mounted SD/USB ports, and Bluetooth® connectivity, all controlled via an integrated media player for hassle-free playback. 

A switchable ‘voiceover’ feature automatically lowers the background music volume when a signal is detected via mic input 1 and rear panel 24V contacts can mute all except mic input 1 when triggered. 

Outputs on screw terminal are via 4 switchable zones with a separate "always on" output for priority alert speakers.

  • 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 230Vac or 24Vdc power option

SKU:Codes

  • RM60D:    953.223UK
  • RM120D:  953.224UK
  • RM240D:  953.225UK
  • RM360D:  953.226UK

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Adastra RM240D Mixer-amp 100V BT/DAB+ 953.225UK

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Adastra RM-series 100V Mixer-Amplifier: Versatile Audio Solution with DAB+ Radio, Bluetooth Connectivity, and USB/SD Playback for Professional Sound Systems"

The Adastra RM-series 100V Mixer-Amplifier is a comprehensive audio device designed for professional sound systems. It combines a mixer and amplifier in a single unit, providing convenience and functionality. The mixer allows you to control and adjust audio levels from multiple sources, while the amplifier amplifies the audio signals for enhanced sound quality and distribution.

This mixer-amplifier is equipped with DAB+ radio functionality, allowing you to tune in to your favorite digital radio stations and enjoy a wide range of music and broadcasts with clear reception. With built-in Bluetooth connectivity, you can easily connect your compatible devices wirelessly and stream music or audio content from smartphones, tablets, or laptops, eliminating the hassle of cables.

Additionally, the USB/SD playback feature enables you to directly play audio files from USB drives or SD cards, offering flexibility and convenience when accessing and playing your digital music collection.

The Adastra RM-series 100V Mixer-Amplifier provides a versatile and reliable audio solution for various professional sound systems, with features like DAB+ radio, Bluetooth connectivity, and USB/SD playback enhancing your audio experience.


  • Power supply170-264Vac, 50Hz (IEC)
  • DC power24Vdc (screw terminals)
  • Inputs Mic XLR, 2 x mic/line jack, 2 x RCA line
  • Input sensitivity : mic 1 (balanced)-53dBV
  • Input impedance : mic 15k Ohms
  • Input sensitivity : line (unbalanced)-15dBV (-18.5dBV line 5)
  • Input impedance : inputs 2-51k Ohms
  • Line output RCA
  • Speaker outputs4 switched + 1 non-switched 100V / 4-16 Ohms / COM
  • ControlsMic1, mic/line2+3, line4+5, bass, treble, master volume
  • Equaliser : bass100Hz ±10dB
  • Equaliser : treble10kHz ±10dB
  • Rear panel switches Phantom, Vox, Mic/Line (2 + 3)
  • Phantom power+20V (mic 1 XLR, switchable)
  • Audio source Dab+/FM tuner, USB/SD player, Bluetooth receiver
  • Emergency control24V contacts - mute all except Mic.1 when triggered.
  • Bluetooth version5.0

PDFInstruction Manuel