Bluetooth 5.0 Power Amplifier Board HiFi Stereo Wireless Music Player Module - Blue

• Using Bluetooth 5.0 main control chip, good transmission effect and high stability

• With button control, control up and down music, volume increase and decrease, play, pause, switch machine, etc.

• Micro 5p interface power supply, ordinary phone charger 5V/2A can be used

• The Bluetooth audio signals of mobile phones, laptops, and tablets can be transferred to the stereo amplifier output through this module

• The audio interface can also be connected to ordinary earphones with 3.5mm interface, which can turn ordinary earphones into Bluetooth earphones(Without microphone, voice chat is not supported)

Specifications:

• Product size: 70mm*30mm

• Product weight: 17g

• Power interface: Micro 5p (reserved 2.5mm welding port, this model does not support battery power supply)

• Input voltage: 3.7V-5V

• Signal to noise ratio: 90DB

• THD+N: -70DB

• Crosstalk: -86db

• DNR: 91db

• Transmission protocol: A2DP/AVCTP/AVDTP/HFP

• Transmission distance: about 10 meters (the shorter the distance, the better the stability)

• Output interface: 3.5mm stereo (reserved welding points, you can DIY by yourself)

• Speaker output port: 2 groups (one set for each of the left and right channels), which cannot be used at the same time as the headphone jack. When the headphone jack is connected to the headphone, the device will automatically switch to the headphone output and stop the signal from the speaker output port of the power amplifier board

• Audio input: Bluetooth audio receiver

• Bluetooth version: 5.0

• Bluetooth name: JH-BT

• Maximum receiving distance: more than 10m

• Power output: stereo 2x5W

• Output mode: AB/D selectable

• Power supply interface: Micro USB 5V DC (recommended 5V/3A, if 5V/2A power supply is used, because the peak working current in D mode is large, it needs to be switched to AB mode, it is recommended to play more power in 5V/3A Class D mode) 

• Headphone output interface: 3.5mm stereo

• Speaker output interface: 2x2PIN / 5mm pitch (can not be output to power amplifier)

• Speaker: 2-8? 5-10W speakers can be connected separately, 4? 10W speaker is recommended

Note:

• When installing the bluetooth board, try not to place the Bluetooth antenna close to metal parts, so as not to affect the transmission distance.

• Users need to use their own USB adapter and micro power cable.