CT14 Miniature 4.2 Stereo Bluetooth Amplifier Board Audio Module Class F 5W 5W with Charging DIY Modified Speaker

CT14 Miniature 4.2 Stereo Bluetooth Amplifier Board Audio Module Class F 5W 5W with Charging DIY Modified Speaker

Notice before Purchase:

Bluetooth Module Operation: Open the Mobile Phone Bluetooth, Scan the Device, Find "DW-CT14" and Click Connect.

Bluetooth Version: This Bluetooth Version Is 4.2. Compatible with All Mobile Phones and Bluetooth Adapters on the Market. The Open Transmission Distance Is about 15 Meters. Supports Automatic Connection Back to Paired Devices and Automatic Music Playback.

Warning: Charging Interface of This Product Is the Current Limiting Charging Mode without Charging Management! For the Safety of Your Life and Property, Please Be Sure to Use Lithium Batteries with Protective Plates Produced by Regular Manufacturers. If Losses Are Caused by Improper Use, Our Company Will Not Bear Any Responsibility!

Note: This Product Will Automatically Shut down after 10 Minutes in Standby Mode, and It Needs to Be Powered on Again!

Shipping List: Motherboard Incense Inserted

Instructions for Use:

1. Bluetooth Version 4.2

2. Support USB Sound Card, Driver-Free, Plug and Play (under Normal Lithium Battery Power Supply).

3. This Product Has Its Own Double 5W Power Amplifier Circuit. Do Not Use Another Power Amplifier! The Outputs of the Two Power Amplifiers Cannot Be Connected in Parallel Or the Negative Poles Are Connected Together, Otherwise the Power Amplifier Chip Will Be Damaged.

4. Two Speakers of 2-8 Euros and 3-10W Can Be Connected Respectively, and 4 Euros 5W and 4 Euros 10W Speakers Can Be Used for Pushing and Storing. the Output Is Stereo.

5. The Maximum Is Work Current 5v2a, Which Is Powered by a Regulated Power Supply of 5v2a Or above, and the Sound Quality Is Better!

6. It Is Recommended to Use 3.7V Lithium Battery (Lithium Battery Needs a Protection Board!) Comes with USB Charging Port for Lithium Battery Charging, USB Port Can Be Used as Power Supply Or 5V Adapter Power Supply. Do Not Use Dry Battery, Power Bank, Multi-Function Transformer and Other Voltage and Current Unstable Power Supply!

7. When Installing Bluetooth Circuit Board, Try Not to Get Close to Metal Parts to Avoid Affecting the Transmission Distance.