When playing music, the indicator light flickers slowly; after Bluetooth disconnects, the amplifier board prepares for the next pairing, and plays the "prompt tone" and enters the pairing mode to wait for the pairing.
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1 Digital 2.1 Audio Amplifier Board. Support Bluetooth audio reception. Plug on the power on, the default is Bluetooth mode. Bluetooth Play status, Short press the switch for Pause/Play. Bluetooth receiving distance: >8m(26ft).
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Product Specifications12V 24V Bluetooth 5.0 Receiver HiFi Audio DAC Decoder Board AUX DIY Amplifier. 5.0 HiFi Bluetooth chip transmits data to an analog amplifier with high speed, achieving wireless HiFi sound quality.
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High quality MP3 playback: Supports mainstream MP3 format audio file playback, with clear sound quality and strong compatibility. You need to connect the amplifier board before connecting the speaker for use.
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Model Number: MP3 Decoder Board. 1 MP3 Decoder. Automatically support USB / TF / Bluetooth / FM / AUX switching. Prompt and convert to cable (signal sound or English voice optional). Have Amplifier:Yes.
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(Long the MODE button to start recording, long the MODE button again to cancel recording and play the recording file; in recording mode, you need to connect a storage device U disk or TF card;). Support folder selection playback.
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TDA7492P 2 50W Bluetooth 4.0 Amplifier Board. Output Power: Add pre-5532 output foot (powered 25V ,6-ohm impedance output 2 X 50W. TDA7492 digital amplifier chip, designed to optimize the circuit layout. ).
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The audio interface can also be connected to ordinary earphones with 3.5mm interface, which can turn ordinary earphones into bluetooth earphones. 1 Piece Bluetooth Amplifier Board. Processor: RK3128H.
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