Product description
High power bluetooth amplifier
100W*2 high-power dual-channel output
Name: Bluetooth digital power amplifier board
Transmission distance: up to 20 meters (unobstructed)
Power supply voltage: DC 12V-32V
Introduction and features:
This product is a Bluetooth audio input, using TDA7498 chip is a 100W+100W class D audio amplifier; crystal shell, beautiful and generous; using smart fans for chip cooling control, in the case of low power work, low heat fan No need to run, avoid noise and save power. Under high-power working conditions, the system will detect the temperature rise and automatically run the fan;
1. Connect the A103 power input terminal to a 12-32V DC, pay attention not to connect the positive and negative poles. At this time, the power indicator light is red.
2. Connect the two speakers to the two output terminals of A103, paying attention to the positive and negative poles.
3. Turn on the Bluetooth of the mobile phone, and turn on the detection function, and find the Bluetooth device of A103 to connect. At this time, the power indicator red light will change to blue light, indicating that the Bluetooth connection is successful.
4. The first button on the right side of A103 is the play and pause button; the second is song switching and volume "+" button, the third is song switching and volume "-" short press is song switching, long press is volume increase Less.