RM240S 4-Zone Mixer Amplifier

100V, 240W rms. Tuner, Bluetooth, USB

Product Code: 953.215


Pay it in 4 payments of $132.25 with Afterpay

Buy 1+ $529.00 (incl. GST)

RM series 5-channel 100V mixer amplifier

A rack-mountable 5-channel mixer amplifier, tailored to commercial sound installations, that can either be used as a 100V line amplifier or a standard low-impedance amp. Versatile input options include XLR (with switchable phantom power), mic/line jack, and RCA line. Features an inbuilt FM radio tuner, front-mounted SD and 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.

  • 2U 19" rack mountable (rack ears supplied)
  • XLR input with switchable +20V phantom power – ideal for condenser microphones and paging microphones with chimes
  • 2 x mic/line inputs, 2 x RCA line inputs, and 1 x RCA line output
  • Switchable ‘voiceover’ feature
  • Inbuilt media player with SD, USB and Bluetooth inputs and integrated FM radio tuner
  • 100V line or 4-16 ohm speaker output
  • 24V emergency mute contacts
  • Option for mains or 24Vdc power
  • Editable Bluetooth ID for unique pairing


Mains power: 110/240Vac, 50/60Hz (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 1 5k Ohms
Input sensitivity: line (unbalanced) -15dBV (-18.5dBV line 5)
Input impedance: inputs 2-5 1k Ohms
Line output: RCA
Controls: Mic1, mic/line2+3, line4+5, bass, treble, master volume
Equalizer: bass 100Hz ±10dB
Equalizer: treble 10kHz ±10dB
Rear panel switches: Phantom, Vox, Mic/Line (2 + 3)
Phantom power: +20V (mic 1 input)
Audio source: USB/SD player, FM tuner and Bluetooth receiver
Emergency control: 24V contacts - mute all except Mic.1 when triggered
Bluetooth version: 2.1
THD: <1.0%
Power: output240Wrms
Speaker outputs: 4 x 100V zone / 8 Ohms / COM terminals
Speaker switching Zones: 1, 2, 3, 4, All
Weight: 9.62kg
Dimensions: 433 x 320 x 89mm



Founded in 1949, Adastra has earned a reputation for delivering high quality public address systems. Adastra strives to provide complete and versatile solutions for commercial installations, with specialist products provided for zoning, noise pollution control, portable public address and induction...

See more from this brand...