Product overview:
DY-HV20T is a smart voice playback module developed independently by our company，Integrated IO trigger, UART protocol control, One_line single-bus protocol control, standard MP3 and other 7 operating modes setting by DIP switch; Drive 4~8Ω, 10W~20W speaker by a 20W class D audio amplifier on board；Support MP3、WAV decoding; Support Micro SD card maximum 32G bytes, downloading music files directly by micro USB connector.

Product characteristics:
1. Support MP3、WAV decoding.
2. Support sampling rate (KHz):8/11.025/12/16/22.05/24/32/44.1/48.
3. 24bit DAC output，support dynamic range 90dB，SNR 85dB.
4. Wide supply voltage DC:6~35V.
5. Support Micro SD card maximum 32G bytes.
6. Output maximum 20W driving 4Ω speaker, output maximum 10W driving 8Ω speaker.
7. Play 65535 pieces of music by UART control protocol; Play, Pause, Selecting music, VOL+/- and so on can be controlled，the communication baud rate is 9600bps.
8. Play 255 pieces of music by IO triggering.
9. Play music by One_line control protocol，Play, Pause, Selecting music, VOL+/- and so on can be controlled.
10. Switch 7 work modes using DIP switch easily.
11. ESD protection designed for 8 IOs.

Package Include:
1x12V/24V Power Supply 10W/20W Voice Playback Module

1X 32GB SD Card

2X 28mm Dia 8 Ohm 1W 5mm speaker