Panthon Không Dây Màu Xanh Răng 5.0 Mp3 Mạch thu phát âm thanh CA-6928 Màu Xanh Răng Lossless Giải Mã Mạch thu phát âm thanh Mô-đun âm thanh nổi

Features:
1.Compact size
2.Easy to operate
3.Stable performance
4.Strong reception signal
5.Wide application range

Parameters:
Stable performance, strong signal reception, with a straight-line distance of over 10 meters
Input voltage: 5V
Output power: 4 Ω 3W
Product size: 23 * 13.5 * 1mm
Bluetooth and power amplifier functions are integrated, and can be used by connecting to the power supply and speaker. It has a small space and high usage, improving the yield rate of production.

Common problem
1: Unable to search for Bluetooth
Generally, it is caused by power interference, and the power line must be equipped with a filtering circuit
2: Bluetooth signal too weak
Do not wire or cover the Bluetooth module antenna with copper, or there should be no metal shielding around the antenna.
3: Current sound too loud
It is generally caused by interference from the power source. It is recommended that the power amplifier cable is not too long, and the Bluetooth ground and power ground should be separated.

Package include:
Audio module * 1