Sell Bluetooth 5.0 Stereo DIY Power Amplifier Board with Button 3.5mm Stereo Bluetooth Power Amplifier #keeper best price

Package Included: 1*Amplifier board Specifications: Users need to bring their own USB adapter and micro power supply line, (this general user has, mobile phone charger and charging line are fine) Product parameters: 4 ohms 2x5W Power interface: micro 5p (reserved 2.5mm welding port, this model does not support battery power supply) Input voltage: 3.7V-5V Power amplifier working mode: switchable AB and 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 soldering points, you can DIY by yourself) Speaker output port*2 sets (one set for each of the left and right channels), and the headphone jack cannot be used at the same time. 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. Features: Using Bluetooth 5.0 main control chip, good transmission effect and high stability With button control, there are control up and down music, volume increase and decrease, play, pause, switch machine, etc., The micro 5p interface is powered, and the ordinary mobile phone charger 5V2A charging cable can be used. Description: Product Usage: The Bluetooth audio signals of mobile phones, laptops, and tablets can be received through this Bluetooth to the stereo amplifier output. The audio interface can also be connected to ordinary headphones with a 3.5mm interface, and ordinary headphones can be turned into Bluetooth headphones (without microphone, no voice support) chat) Product name: Explosive Bluetooth 5.0 Stereo Amplifier Board Packing method: pe bag packing Product size: 70mm*30mm Packing size: 8cm*5cm*2cm Bluetooth version: V5.0 Product color: black, blue Product weight: 17 grams Packing list: a Bluetooth stereo power amplifier board (no other accessories)