It is a bluetooth 5.0 dual channel amplifier board.This is a 10V~24V DC single power supply,using the TPA3116D2 high-performance digital power amplifier chip as the core,can support 50W (left channel)+50W (right channel) dual channel output.
1>.Bluetooth 5.0 communication
2>.AUX audio output
3>.Support Bluetooth/U-disk/TF card/AUX/FM audio input
4>.Support remote control for remote control
5>.Reserved microphone input interface
6>.Two-channel stereo output
7>.Built-in 50W high power amplifier function
8>.Adjustable music and volume
9>.Support MP3/WMA/WAV/FLAC and other music formats;
10>.Lossless audio decoding
11>.High quality radiator
1>.Product Name:Bluetooth 5.0 Dual Channel Amplifier Board
3>.USB Decoding:Support WMA,MP3,WAV,FLAC lossless music file formats
4>.Working Voltage:DC 10V~24V
5>.Speaker Impedance:4~8 ohm
6>.Bluetooth Reception:More than 8~10 meters away(If the Bluetooth performance of the phone is not good,it will affect the receiving distance)
7>.Disk Format:U-disk TF card can support FAT32 file system,not support NTFS
11>.Remote Control Size:86.5*41*8mm
1>.Homemade mini Bluetooth speaker
2>.The ordinary impact of upgrading
3>.Home voice automatic control
5.FM Radio Usage Instructions:
1>.Solder the FM antenna (ANT) before use. It can be connected with ordinary # 26 electronic wires with a length of 80-120CM.
2>.Press the motherboard "MODE" switch or remote control "M" to select the FM mode.
3>.Press the motherboard or remote control to select the station.
1>.The power amplifier board has current sound and noise.
1.1>.The matching power supply filter is not good.
1.2>.The input signal quality is poor
1.3>.The input connection cable is of poor quality.
1.4>.The input is connected to other playback devices and some devices share the same power ground causing noise.
2>.The product has sound or there is no sound in 1 channel.
1.1>.The speaker is broken or the speaker cable is disconnected.
1.2>.The input cable is not properly connected.
3>.The volume is turned off and broken.
1.1>.Insufficient power supply
1.2>.The speaker itself is poor or damaged, and the speaker power is too small or too large.
1.3>.The left and right channel speaker outputs are independent and cannot be connected to each other.
4>.After the subwoofer amplifier volume is turned on,the speakers are broken.
1.1>.Insufficient power supply
1.2>.Whether the power of the speaker itself is too large or too small
5>.Amplifier board will burn
1.1>.The positive and negative poles of the power supply are reversed or the power supply voltage is too high,exceeding the limit working voltage of the board.
1.2>.If the board requires a DC power supply, the AC transformer power supply cannot be used directly (this type can only be used if it is converted to DC power by rectification and filtering).
1>.1pcs Bluetooth 5.0 Dual Channel Amplifier Board
2>.1pcs Remote Control
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