Features:

• Equipped with a high quality audio decoder chip that is able to decode MP3 and WAV audio formats.

• Built-in a 4MB flash memory by default, which is able to store a total of 4 minutes long MP3 files of 128Kbps.

• Works with most Windows, Mac, and Linux systems
  

• Load audio files to the internal flash memory/SD card through the micro USB port based on PC like using a USB flash drive..

• 4 trigger inputs available and triggered by negative pulse/GND(low level signal).

• The function/trigger mode of each input can be set individually through a configuration file.

• Can be controlled by buttons, switches or relays.

• Built-in a 10Watts class D amplifier and a 5Watts speaker for great sound output.
  

• Supports max. 32GB micro SD card.

• Adjustable sound volume through the small blue potentiometer.

• Wide power input (DC9-24V) and stable performance.

• Dimensions: 120x120x60(mm)

Electrical parameters:

• Working voltage: DC 9V-24V

• Working current: ≤400mA (Input: DC12V)

• Power Consumption: ≤5W

• Flash memory size: 4MB

• Audio format: MP3/WAV