Describe:
100% new and high quality
Color: green
Size: 14*23MM
Package includes: 1Pc Bluetooth Audio Module
1. Stable performance, strong signal reception, straight line distance of more than 10 meters
2. Input voltage: 3.3—5V
3. Output power: 4 ohms 3W
4. The functions of Bluetooth and power amplifier are two-in-one, which can be used after connecting to the power supply and speakers. It can be used in a small space and improve the yield of production.
Application areas: Bluetooth audio, toys, massage chairs, household appliances, electric vehicles, lighting, photovoltaic products, fitness equipment, Alipay and other QR code payment voice broadcasts, etc.
common problem
1: Can't search for bluetooth
Usually caused by power interference, the power line must be equipped with a filter circuit
.2: Bluetooth signal is too weak
Do not wire or pour copper under the Bluetooth module antenna, or there should be no metal shielding around the antenna. 3: The current sound is too loud
It is generally caused by the interference of the power supply ground. It is recommended that the power amplifier cable should not be too long, and the Bluetooth ground and the power ground should be separated.