5W MP3 Voice Playback Control 32M Storage Custom Audio Module

1. 3.7-5VDC wide voltage power supply
2. 9-channel one-to-one triggering interface, triggering 9 tracks (MAX)
3. Low level signal trigger (S1...S9 and GND short contact trigger)
4. Supports MP3 and WAV decoding formats, and supports audio file sampling rates up to 48KHz.
5. Audio files can be changed by connecting to a computer via USB data cable, and comes with 32Mbit (4MByte) flash storage
6. Comes with 5W Class D power amplifier, which can directly drive 403W and 801W speakers
8. DIP switch sets 8 trigger working modes
9. Playback status signal output: output high level (3.3V) when playing, output low level (OV) when not playing
10. Playback status indicator: the red indicator light is on during playback
11. Custom audio download interface: Connect the USB data cable to the computer, identify it as a U disk, and directly copy user-defined audio files
12. Audio output: 3. 5mm audio output interface, can be connected to external active speakers
13. Volume adjustment: adjust the speaker output volume, increase the volume clockwise, and decrease the volume counterclockwise.
14. Speaker 5W (4-8 ohms): Speaker interface, output 5W, can drive 423W, 8 ohm 1W speakers
15. DC 3.7-5V: Power supply interface, power supply range DC 3.7-5V
16. Power indicator light: The green indicator light lights up after power is supplied.
17. Configure trigger mode: Configure the 8 working modes (refer to the working mode configuration table). After the mode is changed, you must power on again to enter the new mode.
18. Connect the data cable to the computer, identify it as a removable disk (U disk), and directly copy the audio file with a 5-digit file name, such as 00001.mp3
19. Scope of application: smart toys, passage gate voice broadcast, fire voice alarm, security voice alarm, industrial control voice broadcast, access control system voice broadcast
20. Dimensions: 43x38mm
21. Weight: 8 grams