OverviewAfter connecting the power supply, the blue indicator light flashes quickly, enter the Bluetooth mode; after broadcasting the “tone”, enter the pairing mode and wait for pairing; cell phone Bluetooth search for “XY-WRBT” (amplifier board device name), click on the “XY-WRBT” to connect to the connection, connect successfully play the “tone When the connection is successful, play the “beep” and the indicator light will be on, then you can play the music from your cell phone, and the indicator light will be flashing slowly when you play the music; after the Bluetooth is disconnected, the amplifier board will prepare for the next pairing, and play the “beep”, then it will enter into the pairing mode and wait for the pairing.
Features
1.Adopts Bluetooth 5.0 technology, providing longer transmission distance, higher transmission rate and lower power consumption.
2.Support stereo output: supports high quality stereo audio decoding, providing clear and detailed sound quality experience.
3. Low-latency transmission: Optimized audio transmission algorithm ensures low-latency audio transmission, especially suitable for watching videos, playing games and other scenarios that require synchronization of audio and video.
4. Multiple interfaces, 3.5mm audio interface and TYPE-C power supply interface, convenient to connect different audio devices, such as headphones, speakers, sound systems, etc.
5. The module has a protection mechanism, support power reverse connection protection.
Specification
Product Name: Bluetooth decoder board
Operating voltage: 3.7~24VDC
Bluetooth version: 5.0
Transmission distance: 15 meters (visible and unobstructed)
Signal-to-noise ratio: ≥90dB
Distortion: ≤-70dB
Number of channels: dual-channel (stereo)
Audio interface: 3.5mm audio interface
Module protection mechanism: power reverse connection protection
1. Power supply can use Micro USB/TYPE-C USB cell phone charger, 3.7-4.2V lithium battery, 3.7-24V DC power supply, one of the three can be selected.
2. Short “on/off contact” for 2 seconds to set the decoder board on/off, for the battery-powered case, when not in use to shut down more power-saving, convenient modification.
Note on using 3.7V lithium battery power supply
1. When using battery power supply, the battery voltage is lower than 3.3V decoder board automatically shut down, re-power or fully charged after shorting the on/off contact for 2 seconds to boot.
2. When using battery power, if the battery voltage is too low, there may be “ZiZi” noise, in this case you need to charge the battery.
3. Since the decoder board is not designed for lithium battery charging protection circuit, it is recommended to use lithium battery with its own protection board.
4. If your rechargeable battery supports MicroUSB direct charging, you can use Micro USB/TYPE-C USB to charge the battery directly.
List
1 x Audio Module
1 x Remote control (optional)