20 Channel MP3 Sound Board with 2x15W Amplifier

67.95 67.95 USD


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Quantity on Hand : 7
Skill Level : Assembled and Tested
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Brief Introduction
FN- BC20 is a high quality MP3 sound board, equipped with an on-board 2x 15 W class D amplifier, the sound board can be controlled by 20 separate buttons hooked up to the ‘one-on-one’ inputs terminals, R232 serial port and RS485 serial port. Great audio output, industry-grade design and strong anti-jamming capability make it possible to be used for many different applications.


  • Built-in a high quality 24bit of audio decoder with stereo audio output.
  • Supports to play audio files of MP3 and WAV formats.
  • On-board a high quality 2x15 Watt class D amplifier to directly connect with two 8 ohm speakers of 10 to 15 Watts, for left channel and right channel.
  • Uses SD card or USB flash drive for sound file storage devices.
  • Supports maximum 32GB SD card or 32GB USB flash drive. (1GB SD Card included)
  • Supports button control mode, RS232 and RS485 serial control mode.
  • In button control mode, playback of the ‘one-on-one' associated audio files are triggered by negative  pulse to any of the 20 input terminals.
  • In button control mode, possible playback of 255 MP3/WAV audio files per 20 ‘one-on-one’ associated folders through negative trigger.
  • In button control mode, Four Selectable triggering modes are provided. 
  • Supports a 3.5mm stereo audio output jack to an external amplifier.
  • Separate volume control for each sound channel (only for on-board amplifier).
  • On-board relay used to control on/off to external equipment during playback.
  • Wide range for power input DC (12V - 24V).
  • Industry-grade design and strong anti-jamming capability.
  • PCB size: 110mm x 65 mm.

Technical Parameters

  • Power input: DC12-24V
  • Rated output: 15W×2 (RL= 8Ω d=1%)
  • Noise Voltage: ≤50mV
  • Frequency response: 20-20KHz
  • SNR:≥ 90dB

Connection Example

K1 through K20 are representing Normally Open (N.O.) manual buttons. Please refer to the connection example below.

Odoo CMS - a big picture
Make this module motion activated: External PIR Motion Sensor

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  • Ronnie on 11/08/2016 00:55:31

    Can you use a light sensor to turn this on and have it control lights ?

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