1. This power amplifier board is mono, mono does not mean that only one speaker can be connected, multiple speakers can be connected together (total power 30-120W within 4-8 ohms), connected to the power amplifier board speaker line! The speaker cable is a plug-in cable, not a soldering wire. When the speaker is connected, it will ring. When the test machine is shipped, the cable will be plugged into the power amplifier board! If the speaker has a binding post, please connect it to the terminal with a wire! (The binding posts are usually behind the speaker - red and black clips)
2. The power amplifier board is built-in Bluetooth (no need for so-called Bluetooth stick, mobile phone Bluetooth connection can be used, boot default Bluetooth mode), Mandarin Chinese prompt voice, the first time you connect to Bluetooth, the phone volume will automatically adjust to the factory volume, then Pro can turn the phone volume up to note: Bluetooth does not have a call function, mind carefully shot, you can install 6 inch 8 inch 10 inch (cylinder, tunnel, square) subwoofer!
3. Special Note: The red and white sockets on this amplifier panel cannot be connected to other amplifiers for amplifier use (this connection is not feasible) and the satellite box audio head is used. The red and white sockets are only the audio input, if you have audio Line, then you can connect to mobile phones, computer hosts, DVDs, car CD players and navigation devices, you have to switch to the external audio mode by remote mode!