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Features

1). With high quality audio decoder, supports MP3 and WAV audio formats.

2). Sampling rates supported: 8/11.025/12/16/22.05/24/32/44.1/48(KHz).

3). 24 bit DAC output and supports dynamic range 90dB and SNR 85dB.

4). Supports one-on-one button control mode and UART serial port control mode.

5). In button control mode, it plays back 4 sounds one-on-one by negative triggering.

6). Uses micro SD card and the built-in SPI flash memory for storage devices.

7). Built-in a 4MB SPI flash memory by default, and supports max. 16MB.

8). Supports max. 32GB micro SD card.

9). Possible to load sound files to the flash memory directly via the micro USB connecting with computer

     like using a USB flash drive.

10). Built-in a 15 watts amplifier that can drive a 10 watts speakers directly.

11). Equipped with a 3.5mm audio jack for stereo output that can drive an earphone directly or connect 

       with an external amplifier.

12). Adjustable sound volume with the potentionmeter.

13). Wide range for power input(DC8-24V).

14). PCB size: 52mmx49mm

Technical Parameters 

1). Working voltage: DC 8V-24V
2). Working current: ≤400mA (Input: DC12V)
3). Power Consumption: ≤15W
4). On-board flash memory size: 4MB
5). Audio format: MP3 format 32Kbps-320Kbps