20Watts Triggerable MP3 Audio Player Wall Speaker
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Equipped with a high quality MP3 player with great sound quality.
Works with most Windows, Mac, and Linux systems
Built-in a 4MB flash memory by default, which is able to store total of 4 minutes long MP3 files of 128Kbps.
Supports max. 32GB flash memory(the size of flash memory can be customized).
Update MP3/WAV files to the flash memory easily through the micro USB port based on PC.
Play the sound messages by negative triggering.
4 different trigger modes available.
Can be controlled by buttons, switches or relays.
Built-in a 20watts class D amplifier for a loud sound output.
Adjustable sound volume.
Working voltage: DC 9V-24V
Standby current: 10ma
Working current: ≤800mA (Input: DC12V)
Power Consumption: ≤20W
Flash memory size: 4MB
Audio format: MP3/WAV
Examples of Wiring Connection: