[Bluetooth 4.1 50Wx2 Amplifier Board]
Description:
XH-A104 digital power amplifier board with high fidelity and two-channel stereo sound quality; input voltage is DC 12~24V, audio input supports Bluetooth, TF card, AUX 3.5mm audio line input, can be directly connected to mobile phone, MP3, etc.; power amplifier board It also comes with a volume adjustment function, which rotates the chirp potentiometer clockwise to zoom in and counterclockwise to decrease.
Specification:
Model Number: XH-A104
Channels:2 (2.0)
Input voltage: DC12 -24V
Current: 3A
Output power: 50W*2
Audio input: Bluetooth, TF card, AUX
Size: 92*85*20MM
Installation aperture: 3MM
Installation hole distance: 85*5*78.5MM
Bluetooth operation instructions:
When the power amplifier board is connected to the power supply and the Bluetooth is not connected, the Bluetooth indicator will flash rapidly. When the Bluetooth connection is successful, the Bluetooth indicator will stop flashing. When the song is played, the Bluetooth indicator will flash slowly.
Note:
1. Connect the power input to the DC12-24V power supply. When the power is on, the power indicator will light red and the blue light will flash blue.
2. Connect the audio input to the audio source, such as MP3, mobile phone, computer, TF card, etc.
3. Connect the audio output to the speaker, paying attention to the positive and negative.
Bluetooth / TF card volume hole:
When the audio input uses Bluetooth or TF card, you can connect the power cord to the "+ VOL -" three holes to adjust the volume and switch songs.
1. "+" and "VOL" connection: short connection to play the previous song, long connection to increase the volume
2. "-" and "VOL" connection: short connection to play the next song, long connection to reduce the volume
Package Included:
1 * TPA3116 Bluetooth 4.1 50W*2 Audio Amplifier Board
[Bluetooth 5.0 100Wx2 Amplifier Board]
Description:
TDA7498 Bluetooth power amplifier board, using the original installation import power amplifier chip, has the high fidelity stereo sound quality. Support Bluetooth, TIF card, AUX input audio, power amplifier configuration Bluetooth 5.0 high speed transmission, support the APE, FLAC, MP3, WAV, WMA music formats, such as the music format can be decoded the mainstream market, as long as, on the mobile phone can play this Bluetooth can, does not affect the distance won't be caton. Bluetooth effective transmission distance of 20 meters unimpeded connection, but according to the personal phone Bluetooth configuration, signal strength is different, the transmission distance will be a gap. Power amplifier input power for DC 12-30V, have double sound channel output, output impedance is 4-8 Ohm, maximum power 100W*2. Onboard volume potentiometer, are free to adjust the volume.
Specification:
1. Working mode: class D
2.Audio input: support Bluetooth, TIF card, AUX analog signal
3. Rated output power: 100W+100W
4. Frequency response: 20Hz to 20KHz
5. Working voltage: DC 12V to DC 30V
6. Recommended power voltage: DC 19V
7. Fit speaker parameters: 4-8 Ohms
8. Size: 92*85*18mm
