Specification:
Power supply voltage: DC8-26V (recommended 24V 3A or higher power supply)
Bluetooth-compatible version: 5.0
Bluetooth-compatible name: H645
Output channel: dual channel stereo
Output power: 2 * 50W/4 Ω
Supports infrared remote control control
USB drive/card interface: supports lossless MP3/WAV/WMA/FLAC files in the playback disc or TF card, supports FAT1632 file format with power off memory function, remembers songs played before power off: explained in Bluetooth-compatible playback mode. During use, when playing music, press the play pause button to stop playing music, then power off and power on again, and you will hear a \"Bluetooth-compatible Mode\" prompt sound. Due to the previous Bluetooth-compatible pairing, After powering on, it will automatically connect after hearing the voice prompt, and then press the play/pause button to continue playing from the music played before powering off
Product size: 85 * 52 * 12mm/3.34 * 2.04 * 0.47inch
Weight: 66g
Playback mode
(1) Mode control
When the power amplifier board does not have a USB drive or TF card inserted, the default mode for powering on is Bluetooth-compatible playback mode;
When the power amplifier board is plugged into a USB drive or TF card, the default mode for powering on is the storage card playback mode;
Use the remote control or onboard button MODE to switch modes.
(2) Bluetooth-compatible mode
Switch mode and broadcast the \"Bluetooth-compatible Mode\" prompt tone, indicating that Bluetooth-compatible mode has been entered and waiting for pairing; The \"HW-BT645\" found in the Bluetooth-compatible search on the phone is the device name of the power amplifier board. Click on the connection button, and the module will voice prompt \"The Bluetooth-compatible device is connected successfully\", indicating that the HW-645 module has successfully connected to the phone and can play music. When the Bluetooth-compatible connection is disconnected, the module voice prompts \"The Bluetooth-compatible device is ready to pair\", meaning Bluetooth-compatible is waiting for pairing.
(3) Memory card mode
Insert a USB drive or TF card, and the speaker will sound a \"Music\" prompt to play the stored audio files.
(4) FM radio
The module reserves an FM radio antenna pad and uses the Mode button to switch the playback mode to FM radio. When you hear the voice prompt \"FM Mode\", you enter this mode and can switch channels using the previous/next button.
Warm Tips:
1. DC power supply, transformer power supply is not allowed.
2. When switching playback mode, there is an English prompt tone.
3. Added FM radio function, but not as good as a professional radio.
4. When using, the speaker or speaker of the output channel should be connected first, and then powered on for operation.
5. Short press for 1 second, long press for 2-3 seconds.
After powering on, the blue LED lights up and flashes to indicate correct power connection. Be sure to distinguish the positive and negative poles when connecting, and do not blindly connect them, otherwise it may burn out the power amplifier board.
7. Audio files stored in USB flash drives and TF cards, arranged in chronological order.
Note:
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.
Package Content:1 x Digital Audio Amplifier Board
1 x
Remote Control
