Description Make your classic audio amplifier/player to bluetooth wireless. Connect to this module, to send music/voice stream to it. Simple four wires wiring – power, ground, L, R to amplifier Power supply on 3.7-4.2V, if use 5V, can simply added diode. Module size – 30mm X 20mm X 3mm Package includes: Main board. Two capcitors, use when target amplifier board does not have this. LED resistor, to indicate bluetooth status on pin LED If you heard noise out, please added the filter capacitors on the extra pins. Documentation please see on this page. (1743NRZ)
