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CMX A3 Stereo Amplifier


Compact audio controller with 2 x 15W digital stereo amplifiers built into a single gang wall plate. Powered directly from 100-240V mains supply, the wall mount amplifier can be installed into a partition wall or 57mm back box and provides a minimal yet fully functional control surface. The on wall amplifier has an inbuilt USB/Micro SD audio player, an FM tuner and Bluetooth receiver. Key functions are operated from the front panel or by using the supplied IR remote control. Connections for 2 low impedance speakers, mains power, FM antenna and up to 2 external line inputs are provided at the rear on screw terminal phoenix connectors. A complete and versatile audio solution for wall or ceiling background music speakers in the home or commercial audio applications



  • Bluetooth wireless connectivity
  • 2 x 15 watts output
  • Internal USB/SD media player and FM tuner
  • Supplied with I.R. remote control
  • Volume control through panel keys or the supplied remote control
  • 5 program of timer to scheduled power on/off
  • 30 levels of attenuation through remote control or key functions on front panel
  • Memory setting, with contact for door bell and remote trigger broadcast


Model A3
Description In Wall Amplifier with Bluetooth/USB/FM
Power Supply 100-240V AC, 50/60Hz (screw terminal)
Rated Power Output 2×15W@ 8 ohms
Audio Format mp3, wma, wav, flac, ape, dts, aac, ac3, ogg
Video Format Mpeg-1/2/3/4, rm/rmvb, wmv, mov, mk, vob, avi, 3gp, h.264
FM Range 87.5-108mHz
Distance IR remote control & Bluetooth distance up 20 meters
Frequency Response 20Hz~20KHz (at±0.3dB)
THD <0.03% at 1kHz, 1W
SN Ratio >98dB
Volume Bass: ±15dB; Treble: ±15dB
Display No
Power Supply AC 220~240V, 50/60Hz
Dimension 86 x 86 x 50mm
Mounting 86 x 86 x 57mm
Weight 128g

Additional information



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