20 Channel Stereo MP3 Sound Board with 2x25W Amplifier (V2)
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Description: FN- BC20 is a high-quality MP3 soundboard, equipped with an onboard 2x 25W class D amplifier, the audio player can directly drive 2 pieces of 10-25W loudspeakers.The soundboard can be controlled by 20 separate buttons hooked up to the ‘one-on-one’ inputs terminals, or 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 the audio decoder with stereo audio output.
- Works with most Windows, Mac, and Linux systems
- Supports to play audio files of MP3 and WAV formats.
- On-board a high-quality 2x25 Watt class D amplifier to directly connect with two 8 ohm speakers of 10 to 25 Watts, for the left channel and right channel.
- Built-in 16MB SPI flash memory and supports max. 32GB micro SD card.
- Supports RS485 serial mode and button control mode.
- In button control mode, playback of the ‘one-on-one' associated audio files are triggered by a 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 a negative trigger.
- In button control mode, Four selectable triggering modes are provided through a configuration file.
- Supports a 3.5mm stereo audio output jack to an external amplifier.
- Separate volume control for each sound channel (only for onboard amplifier).
- Wide range for power input DC (12V - 24V).
- Industry-grade design and strong anti-jamming capability.
- Size: 115mm (L) x 90 mm (W) x 40mm (H)
- Power input: DC12-24V
- Rated output: 25W×2 (RL= 8Ω d=1%)
- Noise Voltage: ≤50mV
- Frequency response: 20-20KHz
- SNR:≥ 90dB
- Audio format: MP3 (128Kbps is preferable) or WAV
The terminals A(+) and B(-) are used to connect with a RS485 controller, while K1 through K20 represent Normally Open (N.O.) manual buttons. Please refer to the connection example below.
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