Adastra – RM240D MIXER-AMPLIFIER USB/BT/FM/DAB+ 100V 240W

SKU: 953.225AD

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.

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DESCRIPTION:

Product Description

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.

SPECIFICATIONS:

  • Power supply: 170-264Vac, 50Hz (IEC)
  • DC power: 24Vdc (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 outputs: 4 switched + 1 non-switched 100V / 4-16 Ohms / COM
  • Controls: Mic1, mic/line2+3, line4+5, bass, treble, master volume
  • Equaliser : bass: 100Hz ±10dB
  • Equaliser : treble: 10kHz ±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 control: 24V contacts - mute all except Mic.1 when triggered
  • Bluetooth version: 5.0
  • THD: <1.0%
  • Output power : rms: 240W
  • Fuse : T5A
  • Dimensions : 433 x 320 x 88mm
  • Weight: 7.37kg

FEATURES:

  • 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

Product Documentation

953.225AD Product manual