CHANNEL POWER Bảng Mạch Khuếch Đại Âm Thanh Bluetooth Xh-A150 2x5w Pam8403

Digital Bluetooth power amplifier board Bluetooth playback SD card playback U disk playback Name: Bluetooth digital power amplifier board Model: XH-A150 Chip model: PAM8403 Transmission distance: up to 20 meters (unobstructed) Supply voltage: 5v (Micro input) Number of channels: 2 Maximum power: 5W+5W Net weight: 42g Size: 99*64*24mm (excluding protruding parts) Instructions for use: 1. Install the TR18650 battery first, pay attention to distinguish the positive and negative poles! (The battery is purchased by yourself) 2. Two wires are connected to the speaker, the red is the positive pole and the black is the negative pole. 3. Insert the SD card with song files into the SD card slot or insert the U disk with song files into the USB interface. (Bluetooth link is also available, but you need to turn on the device before connecting to Bluetooth) 4. Turn on the power button, it will automatically read your SD card or U disk, and start playing songs, if the SD card and U disk are installed at the same time, it will read the SD card file and broadcast by default. (If you want to broadcast songs on the USB flash drive, you can press the playlist switch button.) 5.①The key is the playlist switching key. You can choose to play songs in the SD card or the U disk, but the Bluetooth link list cannot be switched, and the SD card and U disk need to be removed. 6. ② key is the play pause key, press once to pause, press once to play. 7.③The key can be the song cut key or the volume key. A quick press is to play the previous song, and a long press is to increase the volume. 8. ④ The key can be either the song cut key or the volume key. A quick press is the next song of the broadcaster, and Cangan increases the volume.