3pcs Wireless Audio Power Amplifier bluetooth 4.0 Audio Receiver Module For DIY Modified Speaker

Description: The module has stereo output, simple built-in bluetooth antenna structure, 5V power supply voltage, and bluetooth connection function is added to active speaker. The 7PIN output interface is 2.54 through holes, and the 7PIN output interface is +power supply, ground, left channel, right channel, mute, LED status indication, reserved port. Among them, the state port of the LED is connected with a 100-ohm resistance series LED indicating that it is connected to the ground. When bluetooth is not connected, it is flash. When bluetooth is connected successfully, it is slow flash. Volume: 30 x 20 x 3 mm. Package included: 3 x bluetooth Audio Receiver Module 3 x LED 3 x Resistor 6 x Capacitance