Features of power amplifier board:
1. Power-off memory playback function, with Bluetooth, remote control, radio, recording, microphone priority, AUX audio input function;
2. Battery DC12V/3A (11.1V lithium battery is recommended) or 15V/2A charger or external DC12V/2A power supply;
3. Adjust the main volume, treble, bass, microphone volume, microphone reverberation, guitar volume, etc.;
4. AUX (3.5 and RCA lotus seat) input, which can be connected to computer, mobile phone, DVD or CD and other audio;
5. Can read MP3, WAV, WMA in TF card and U disk(Sampling rate 8~48K/code rate 8~448Kbps/bit width 16bits) music file;
6. 6.35mm microphone jack with microphone reverberation function;
7. All-digital power amplifier, high power, and other characteristics;
Instructions:
Recording instructions: (*Need to insert U or TF card, the length of recording time depends on the memory capacity of U or TF card)
1. In MUSIC mode, short press REC to switch to MIC recording mode, the screen displays REC;
At this time, short press REC to start recording, the screen displays the recording time, and the recording device logo flashes.
2. In LINEIN and FM mode, short press the REC button to directly record internally
During recording:
Short press REC to stop recording and automatically play the newly recorded file. After playing, return to the current mode interface, short press REC again to record another file;
Short press PLAY to pause/continue recording;
Short press the MODE button to stop and save the recording, and return to the current mode interface;
In the current mode interface, short press REC to record a recording
Play recording file operation:
1. Recording file switching: In MUSIC mode, long press REC to switch between MP3 files and recording files
2. Delete file: In MUSCI mode, pause the track being played, long press the MODE button to delete the current file, the screen will display DEL, and the next track will be played automatically after deletion
Four: number buttons, up and down music/volume increase and decrease, pause playback according to normal operation
Five: charging
DC12V charging, the red light and green light flash alternately during the charging process, when the charging is full, the red light is off and the green light is on
Six: microphone priority button
1. Short press the microphone priority button in the radio \\AUX \\MP3 mode, the digital tube will flash once, at this time, speak into the microphone, and receive the sound in the \\AUX\MP3 mode
It will stop, and after about two seconds, the sound in the \\AUX\\MP3 mode will return to normal;
2.In the microphone priority mode, short press the microphone priority button, the digital tube will flash twice, and the microphone priority function will be cancelled at this time.
FM radio search program description:
Press the menu button to switch to the FM position, and press the play button to start searching for FM programs automatically. The numbers on the screen flash. After the automatic search is completed, there will be a radio program playing. You can press a song button or up One song to choose your favorite radio program to play.
*Compatible with FM radio, so FM radio may not work well or FM programs cannot be received. If it must be a user who needs FM radio programs, please do not buy!
Instructions for Bluetooth pairing and connection:
*Press the MODE button on the panel to switch to bE(Bluetooth)The screen displays, open the phone settings to find the Bluetooth option, search for Bluetooth devices, search for blue BT SPEAKER and click Connect. After the pairing is successful, you need to enter the password (0000)Pair