Sell 12.12XY-P40W Bluetooth 5.0 Power Amplifier Audio Board Stereo Digital Amplifier Small Stereo AMP Hom best price

Product Characteristics Product Name: Bluetooth stereo audio power amplifier board Product Model: XY-P40W Supply voltage: DC: 5~24V Bluetooth version: 5.0 Connect distance: 15 meters(visible) Output mode: stereo Output power(@1KHz) 20W*2 @12V 4Ω 30W*2 @16V 4Ω 30W*2 @21V 8Ω 40W*2 @24V 8Ω Speaker selected(30W~150W) 4Ω(5~16V supply) 8Ω(5~24V supply) Protection Power reverse protection Short circuit protection Thermal protection NOTE: 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 specification 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: Keep 2 meters away from the router to avoid WIFI interference 5~24VDC is recommended; upper than 26V, it will be damaged. Driving 4Ω load, the power supply must be under 16V; and driving 8Ω load, the supply must be under 24V. The supply current must be 2A at least. The line connecting the speaker with the module should be within one meter. ESD protection, please release ESD on your hands before you contact the module. 40W and upper power speakers are recommended. Fault Check Check the power supply if the LED is not bright. If the LED is on, but the Bluetooth device "XY-P40W" is not searched, check if the router is in the near, and keep away from the router. The speaker tapped when power on. Check that the speaker load is so small that the current through the speaker is enough for the chip goes into DC protection. Try to lower the supply and restart. Check that if the power supply is low that cannot drive the speaker. 2A power supply current is ok. Floor noise in the speaker when playing Play another music to verify the noise is not related to the music itself. Replace the speaker to check If the noise is caused by the speaker itself. Replace the power supply to check If the noise is caused by unstable power. It plays intermittently Check if the temperature of the board is high, and it goes into thermal protection. Check if the Bluetooth is unstable, adjust the angle between the connected device; And Check if a WIFI source is in the near