YX-LY909 4.2 Stereo Bluetooth Power Amplifier Board Audio Module Class F 5W+5W With Charging Port DIY Modified Speaker

Description It is a bluetooth power amplifier board This Bluetooth version is 4 2 compatible with most mobile phones and Bluetooth adapters and has a transmission distance of about 15 meters in an open area It supports automatic connection back to paired devices and automatically plays music Feature 1 It comes with three 2P wires 2 It is a two channel power amplifier board 3 It has a working indicator you can see the working status at a glance 4 It comes with a USB charging port for charging lithium batteries and the USB port can also be used as a power supply or a 5V adapter Specification 1 Product Name Bluetooth Power Amplifier Board2 Supply Voltage DC 3 7V 5V 2A3 Output Power 3W 10W4 Output Impedance 2ohm 8ohm5 Number of Channels two channels6 Device Name Bluetooch7 Transmission Distance 15 meters8 Work Temperature 25℃ 85℃9 Work Humidity 5 95 RH10 Size 40 35 12mmNote 1 The charging interface of this product is a current limiting charging mode without charging management Please be sure to use a lithium battery with a protective plate 2 Do not use dry batteries power banks transf0rmers and other power sources with unstable voltage and current Package Included 1 x Bluetooth Power Amplifier Board3 x2P Connection Cable