10pcs XY-P40W 40Wx2 Dual Channel bluetooth 5.0 Stereo Audio Power Digital Amplifier Board DIY Amplifier DC5-24V without

Specifications Product NameBluetooth stereo audio power amplifier boardProduct ModelXY P40WSupply voltageDC 5 24VBluetooth version5 0Connect distance15 meters visible Output modestereoOutput power 1KHz 20W 2 12V 4Ω30W 2 16V 4Ω30W 2 21V 8Ω40W 2 24V 8ΩSpeaker selected 30W 150W 4Ω 5 16V supply 8Ω 5 24V supply protectionPower reverse protectionShort circuit protectionThermal protectionNOTE If supply power is low and output power is big noise may be caused turn down the volume and a bigger supply will be better Operation Supply the module the blue LED is on and it goes into Bluetooth mode Waiting for pairing after playing the audio tone Turn on phone Bluetooth XY P40W will be searched and display Click the XY P40W it will connect to the board It connects successfully with an audio tone After this you can play the music The power amplifier board will prepare for the next pairing with an audio tone When the Bluetooth is disconnected Note 1 Keep 2 meters away from router to avoid WIFI interference2 5 24VDC is recommended upper than 26V it will be damaged 3 Driving 4Ω load power supply must be under 16V and driving 8Ω load supply must be under 24V 4 The supply current must be 2A at least 5 The cable connecting speaker with module should be within one meter 6 ESD protection please release ESD on your hands before you contact the module 7 40W and upper power speakers is recommended Fault Check 1 Check the power supply if the LED is not bright 2