BT5.0 Audio Amplifier Board Digital Power Supply HiFi Stereo Audio Amplifier AC 220V / D/C 12-24V

feature:
1. Support reading MP3 songs in TF card and U disk;
2. Support independent adjustment of treble, bass and master volume;
3. Working voltage: AC 220V or DC 12~24V
4. With AUX audio input, it can be connected to computer, mobile phone or CD
5. Digital power amplifier, peak power 400W, can drive 4 ohm 100 magnetic speaker;
6. Dual microphone input, adjustable reverberation; Built-in BT wireless receiver and FM radio.

About more:
(1) How to connect to BT:
Press the "MODE" key to switch the machine to the BT state, turn on the mobile phone BT, use the mobile phone to search for the BT device, search for the product and click the BT name of the product to connect. After the connection is complete, you can receive music played on your phone.

Notice:
Some phones will prompt you for a PIX code. At this point, you can enter "0000" (if your phone supports easy pairing, you don't need to enter the PIN code)

(2) Radio function operation instructions:
1. Hang up the radio antenna;
2. Press the MODE key to switch to the radio state;
3. Press the play button to search the entire channel and automatically save the station;
4. Press the previous or next song to switch to the next station or the next station
notes:
The radio effect is not ideal, mainly the radio, please buy a professional radio.

(3) Power wiring instructions (please follow the instructions carefully to avoid unnecessary damage):
1. The panel DC12V/24V interface can be connected to DC 12V or DC 24V, and the current requirement is more than 3A (battery or power adapter can be used);
2. The AC 100-240V interface on the panel can be connected to the AC100V-240V AC power supply with an 8-character power cord (please do not touch the circuit board after power-on to avoid electric shock).
notes:
The above startup methods can be connected arbitrarily, and cannot be connected at the same time.

(4) Wiring instructions:
1. Connect the subwoofer: connect about 100 magnet speakers or about 100W speakers:
2. Connect the tweeter: 30W tweeter can be connected (can also be disconnected) (add capacitor when connecting the tweeter)
3. Suitable for 8-12 inch speakers.

Notice:
Please turn off the small master volume before starting the test. Then turn it on and slowly increase the volume. If the sound is choppy or hoarse or distorted when you increase the volume, the speakers are not compatible with the amplifier. Please use a small sound or replace the package. Speakers are used.

(5) The package contents include:
1pc AC 220V 12v 24v Digital BT Stereo Amplifier Board
1 remote control
2 audio cables
1 x DC power cord

Note: Due to national transportation regulations, some countries do not include remote control batteries, please prepare them yourself, thank you.