1.Description:
  DY-SV20F is a DC 3.7V-5V 5W Mono Voice Playback Module which can be trigger play by 9 input signal. It is a one-on-one segmented trigger control player that supports MP3 and WAV decoding formats; 9 input signal can be triggered in segments;

  It is a low-level trigger; 3.7-5VDC wide voltage power supply, direct drive 4-8ohm speaker, maximum output power 5W; It has built-in 32Mbit (4MByte) flash storage and connect to the computer via USB data cable to replace audio files; It can adjust the volume level and can be externally connected with warning lights; Multiple triggering working modes can be set, suitable for various scenarios and applications.

2.Features:
1>.DC 3.7-5V wide voltage power supply
2>.Play mode: Play/Pause,Next/Prev, Single/Loop and so on
3>.9-Channel one-on-one trigger interface, triggering up to 9 music
4>.Low level trigger version and directly using GND as a trigger signal
5>.Supports MP3 and WAV decoding formats, and audio file sampling rates up to 48KHz
6>.Built-in 32Mbit (4MByte) flash storage
7>.Audio files can be replaced by connecting the computer with a USB data cable
8>.Equipped with a 5W Class D power amplifier, it can directly drive 4-8ohm, 1-5W speakers
9>.External warning lights can be connected and voltage is same to input voltage
10>.CON1-CON3 pins are used to set 8 trigger working modes
11>.Externally adjustable potentiometer to adjusts volume

3.Parameters:
1>.Work Voltage:DC 3.7V-5V
2>.Work Mode: 9-Kinds
3>.File Format: MP3,WAV
4>.Speaker Power: 1W-5W
5>.Pin distance:2.54mm
6>.Output Impedance: 4ohm-8ohm
7>.Memory:32Mbit (4MByte) Flash
8>.Audio Output: Active output
9>.Adjust Volume: Yes(Need connect a potentiometer)
10>.Trigger Signal: Low Level Signal(NPN)
11>.Work Temperature:-20℃~85℃
12>.Work Humidity:5%~95%RH
13>.Module Size:30*23mm

4.Note:
1>.It is a low-level trigger, and the input port can input a GND signal.
2>.The power must be restarted after switching modes.
3>.Inter-Cut Trigger mode application, where background music is stored in the root directory, and insert music must be placed in the "CHABO" folder. No need "CHABO" folder in others play mode.
4>.The music file name must be a 5-digit number, for example: 00001.mp3 ~ 00009.mp3
5>.Each input port can only control one music file such as S3 just can control music file 00003.mp3.
6>.Please use a USB data cable, do not use a USB power cable, otherwise the computer will not recognize it.
7>.User need remove a 0ohm resistor if you need connect to potentiometer to adjust volume.
8>.Micro USB just can update music files but can not provide work voltage.

5.Application:
1>.Modified/repair/replace speaker
2>.Amplifier equipment for training/activity site and so on
3>.Car Bluetooth device
4>.Music Festival Party
5>.Family entertainment and leisure
6>.Games and Cinema
7>.Home theater
8>.Security system
9>.KTV singing hall
10>.Home background music

6.Package:
  1pcs DY-SV20F 5W Mono Voice Playback Module