Office Background Audio System with four Volume control

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This small office sound package includes four volume controls, adjusting the sound level appropriate to each speaker for your comfort.

BT wireless music streaming is the best way to play music in your work environment by providing high-quality background music throughout your office. The following audio sources are available: FM Tuner, MP3 media player and wireless Bluetooth. In addition, RCA line input is also available so you can get your TV, computer, or smart device audio source easily.  



  • FM Tuner + Bluetooth function built-in
  • The autoplay MP3 module can read MP3 files in a USB flash and SD card. 
  • Can connect 4~16Ω output or 70/100V output
  • The output terminal uses a standard 6.3 audio microphone jack, and line input uses an RCA jack to provide users with different audio input interface options.
  • 1 Microphone input with independent volume control
  • Two input channels can control individual volume levels.
  • With the part of priority, when MIC 1 is input, the other audio signal will be disconnected.
  • LED indicator for power sound level and overload.
  • Include short circuit overload and over-temperature protection


A-105T Ceiling Speaker Specification 


  • Built-in 100v/70v transformer
  • In-ceiling type loudspeaker
  • 6” speaker unit
  • Power taps 1.5W, 3W & 6W @100V
  • Metal grille and back cover
  • Spring clip clamp installation type

*This package includes BX40T Amplifier with built-in Tuner, Bluetooth & MP3 Function, 4 x A685 volume controls and 4 x A-105M 70V 6" ceiling Speaker 

Extra Information

Have Installation questions? Do you need to add more speakers and volume control? Customize your package:
Contact us: 705 999 5775