12V/24V/220V Digital Bluetooth Hifi Stereo Amplifier Board Subwoofer Dual Microphone Karaoke Amplifiers For 8-12 Inch Speaker

Feature:

1. Support reading MP3 songs in TF card and U disk;

2. Support independent adjustment of treble, bass and main volume;

3. Working voltage: AC 220V or DC 12-24V;

4. With AUX Audio input, it can be connected to a computer, mobile phone or other equipment;

5. Digital power amplifier with crest power of 400W, which can drive 4 ohm and 100 magnetic speakers;

6. Dual microphone input, adjustable reverberation; built-in Bluetooth-compatible wireless receiver and FM radio;

7. Support single song loop playback, just press the "loop playback button" on the remote control;

8. Adopting double circuit board design, sufficient materials, no heat when working, and high power.

Specification:

Product model: D10/D30（optional）

Output power: 30-120W

Support voltage: 220V/12V/24V

Color classification: Black craft

Bluetooth-compatible call: Not supported

Bluetooth-compatible version: 5.0

FM radio: Support

Bluetooth-compatible music: Support

Channel: Mono stereo

Microphone: Support

USB: Support

TF/memory card: Support

Remote control: Support

Bass adjustment: Support

Product size: 175X80X50mm

Product weight: 210g

Package Included:

1 * D10/D30 Digital Bluetooth Stereo Amplifier Board（optional）

1 * Remote control

2 * Audio Cable

1 * DC line

1 * Power supply cable

More about:

(1) How to connect Bluetooth-compatible:

Press the "MODE" key to switch the machine to the Bluetooth-compatible state, turn on the mobile phone's Bluetooth-compatible, search for the Bluetooth-compatible device with the mobile phone, search for the product, and click the Bluetooth-compatible name of the product to connect. After the connection is complete, you can receive the music played by the mobile phone.

Notice:

Some mobile phones will prompt you to enter the PIX code. At this time, you can enter "0000" (if the phone supports the easy pairing function, you do not need to enter the PIN code).

(2) Operation instructions of radio function:

1. Hang up the radio antenna;

2. Press the MODE button 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 track to switch.

(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 an AC100V-240V AC power supply with a figure 8 power cord (do not touch the circuit board after power-on to avoid electric shock).

Note: The above power-on methods can be connected arbitrarily and cannot be accessed at the same time.

(4) Wiring instructions:

1. Connect the subwoofer: connect a speaker with a magnet of about 100 or a speaker of about 100W:

2. Connect the tweeter: you can connect the 30W tweeter (or disconnect it) (add a 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 slowly turn up the volume after powering on.

If the sound is intermittent or hoarse and distorted while increasing the volume, it means that the speaker and amplifier are not matched. Please use a small tone or change your bag. Speakers are used.

Notes:

1. Brand new product, percent authentic.

2. Support return within 7 days for refund.

3. Provide 24-hours considerate shopping consultation.

4. After ordering, I will carefully check the item for you and pack it for delivery as soon as possible.

5. If you have any product questions, please contact us in time.

6. Because of different photographing light, angle and display monitor., the color of item may be slightly different from the pictures.

7. There may be slight size deviations due to manual measurement, different measuring methods and tools.