Youmile 2Pcs Bluetooth Power Amplifier Board CT14 Micro 4.2 Stereo Bluetooth Receiver Board Module 5VF 5W+5W with Charging Port for DIY Sound Box Speaker Refitting

Description: Features: 1ort USB sound card, free drive, plug and play (normal lithium battery power supply). 2 product has its own dual 5W power amplifier circuit, and must not be connected to another amplifier outputs of the two amplifiers cannot be connected in parallel or the negative poles are connected together, otherwise the power amplifier chip is damaged. 3 2-8Ω, 3-10W loudspeakers can be connected separately, and the output is stereo. 4 maximum working current is 5V2A. It is powered by a regulated power supply of 5V2A or above, and the sound quality is better. 5 is recommended to use 3.7V lithium battery (Lithium battery needs to have a protection board) has a USB charging port for charging the lithium battery USB port can also be used as a power supply port or a 5V adapter is not allowed to use a power supply with unstable voltage or current such as dry battery, power bank or multi-function transformer. 6 the Bluetooth board is installed, the Bluetooth antenna should not be close to the metal parts as much as possible to avoid affecting the transmission distance. Specifications: Bluetooth version:4.2 Supply current:1A Power supply voltage:5V Power:5W Uses:power amplifier board Instructions: Bluetooth module operation: Open the phone Bluetooth, scan the device, find the “DW-CT14+” and click the connection. Note: This product will automatically shut down after 10 minutes in standby mode, and need to be powered on again. Package included: 2 x power amplifier board 6 x patch cord 2 x Micro USB Cable