3X DY-HV20T Voice Playback Module 12V/24V Power Supply 10W/20W Amplifier Support -SD Card MP3 Music Player

The maximum support is 32G memory card, and the audio files can be updated and stored by connecting to a computer via a USB data cable.
Integrated high-power amplifier output, driving 4 ohm speakers up to 20W, driving 8 ohm speakers up to 10W.
The UART serial port controls broadcast function, which can control play, pause, song selection, volume addition and subtraction, etc. The maximum selection of songs is 65535 songs, and the baud rate is 9600 bit/s.
Support IO one-to-one trigger playback function, 8 IO ports can trigger 8 tracks individually or 8 IO ports can trigger 255 tracks in combination.
Support One_line single bus serial port control, which can control functions such as play, pause, song selection, volume addition and subtraction.
Support 3 configuration IOs for up to 7 working mode selections, DIP switch settings, and simple operation.
8-way IO design ESD protection
Product name: DY-HV20T voice playback module
Product number: DY-HV20T
Working voltage: DC 12V/24V
Operating temperature range: -20℃~85℃
Working humidity range: 0%-95%RH
Size: 50x50mm
Colour: black
Material: PCB+metal

Package Contents:
3 x Voice playback module

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.