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1. OUTPUT: Power amplifier board with Bluetooth 5.0, stable connection, with 3POUT output: can be external to the amplifier board, 3P middle is audio ground, the two sides are H V. 2. INPUT: Power amplifier board module with 3.5AUX input: when connected to the 3.5 audio cable, AUX input mode (Bluetooth disconnected), the 3.5 headset holder cannot change the line indiscriminately because this has the function of detection. 3. POWER REQUIREMENTS: Digital audio amplifier board voltage DC DC voltage 3.7-5V, the voltage cannot be higher than 5V, current 2-3A. 4. SPEAKER REQUIREMENTS: Audio amplifier board when the power supply is 5V 2V: (Satellite) left and right channel speakers: choose 4 Ohm 5W full-range speakers 5. TRUE WIRELESS STEREO BOX: If you use the function in the box, you need to use two Bluetooth modules, one module can only ordinary Bluetooth function, when connected to true wireless stereo, one board is mono; when disconnected, the single board is stereo.

Item Type: Power Amplifier Board
Material: PCB
Bluetooth: Bluetooth 5.0
Voltage: 3.7V 5V
Speaker.
Working Voltage Lithium 3.7V, or Regulated Power Supply DC 4.5-5V
Current (1A when connected to one speaker, 2-3A or so when connected to two speakers)
Lithium-powered speakers with 4 Ohm 3W and 3W, Regulated Power Supply 5V Speakers with 4 Ohm 5W and 5W

1 x Power Amplifier Board

1 x Power Cable

2 x Audio Cable

If you find any product problems after receiving the item, such as damage or incorrect quantity of goods, please contact us immediately. We will do our best to provide you with satisfactory customer service.