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Description
Brand: Taidacent
Signal to noise ratio: ?90dB <br> Distortion: ?-70dB <br> Number of channels: dual (stereo) <br> Audio interface: 3.5mm audio interface <br> Module protection mechanism: reverse power protection <br> 1. Power supply can use Micro-USB mobile phone charger, 3.7-4.2V lithium battery, 3.7-24V DC power supply, one of three options. <br> 2. Short-circuit the "on / off contact" for 2 seconds to set the decoding board on / off. For battery-powered conditions, shutting down when not in use saves power and facilitates modification. <br> Operating instructions <br> After turning on the power, the blue indicator light flashes quickly and enters the Bluetooth mode; after the “beep” is announced, it enters the pairing mode and waits for pairing; the mobile phone Bluetooth searches for “XY-WRBT” (power amplifier board device name) and clicks “XY-WRBT” Connect, play "prompt tone" after successful connection, the indicator light is on, you can play mobile phone music, the indicator light flashes slowly while playing music; after the Bluetooth is disconnected, the power amplifier board is ready for the next pairing, and enters after playing the "prompt tone" Pairing mode waits for pairing. <br> Precautions when using 3.7V lithium battery <br> 1. When the battery is used for power supply, the decoding board will automatically shut down when the battery voltage is lower than 3.3V. After the power is turned on or fully charged, the on / off contact is shorted for 2 seconds to start up. <br> 2. When the battery is used for power supply, the battery voltage may be too low to cause "noise" noise. In this case, the battery needs to be charged. <br> 3. As the lithium battery charging protection circuit is not designed on the decoder board, it is recommended to use the lithium battery with its own protection board. <br> 4. If the rechargeable battery supports Micro USB direct charging, you can use Micro USB to charge the battery directly. <br>
• Anti-reverse connection, wide voltage, automatic reconnection, aluminum battery, rechargeable, stable signal, good sound quality
• Bluetooth 5.0 decoder board stereo Bluetooth audio module wide voltage volume adjustable speaker amplifier
• Working voltage: 3.7-24VDC
• Bluetooth version: 5.0
• Transmission distance: 15 meters (visible and unobstructed)
Color: Black
Signal to noise ratio: ?90dB <br> Distortion: ?-70dB <br> Number of channels: dual (stereo) <br> Audio interface: 3.5mm audio interface <br> Module protection mechanism: reverse power protection <br> 1. Power supply can use Micro-USB mobile phone charger, 3.7-4.2V lithium battery, 3.7-24V DC power supply, one of three options. <br> 2. Short-circuit the "on / off contact" for 2 seconds to set the decoding board on / off. For battery-powered conditions, shutting down when not in use saves power and facilitates modification. <br> Operating instructions <br> After turning on the power, the blue indicator light flashes quickly and enters the Bluetooth mode; after the “beep” is announced, it enters the pairing mode and waits for pairing; the mobile phone Bluetooth searches for “XY-WRBT” (power amplifier board device name) and clicks “XY-WRBT” Connect, play "prompt tone" after successful connection, the indicator light is on, you can play mobile phone music, the indicator light flashes slowly while playing music; after the Bluetooth is disconnected, the power amplifier board is ready for the next pairing, and enters after playing the "prompt tone" Pairing mode waits for pairing. <br> Precautions when using 3.7V lithium battery <br> 1. When the battery is used for power supply, the decoding board will automatically shut down when the battery voltage is lower than 3.3V. After the power is turned on or fully charged, the on / off contact is shorted for 2 seconds to start up. <br> 2. When the battery is used for power supply, the battery voltage may be too low to cause "noise" noise. In this case, the battery needs to be charged. <br> 3. As the lithium battery charging protection circuit is not designed on the decoder board, it is recommended to use the lithium battery with its own protection board. <br> 4. If the rechargeable battery supports Micro USB direct charging, you can use Micro USB to charge the battery directly. <br>
• Anti-reverse connection, wide voltage, automatic reconnection, aluminum battery, rechargeable, stable signal, good sound quality
• Bluetooth 5.0 decoder board stereo Bluetooth audio module wide voltage volume adjustable speaker amplifier
• Working voltage: 3.7-24VDC
• Bluetooth version: 5.0
• Transmission distance: 15 meters (visible and unobstructed)
Color: Black
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