4 Buttons Triggered MP3 Player Board With 10W Amplifier And Terminal Blocks

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Features:<br>High quality audio decoder which, supports MP3 and WAV audio formats.<br>Works with most Windows, Mac, and Linux systems<br>Sampling rates supported: 8 / 11.025 / 12 / 16 / 22.05 / 24 / 32 / 44.1 / 48 (KHz).<br>24 bit DAC output and supports dynamic range 90dB and SNR 85dB.<br>Supports one-on-one 4 button trigger control mode and RS232 serial port control mode.<br>In button control mode, it plays back 4 sounds one-on-one by negative triggering.<br>Uses microSD card and the built-in SPI flash memory as storage.<br>Built-in 4MB SPI flash memory by default.<br>Supports max. 32GB micro SD card.<br>Possible to load audio files to the flash memory directly via the micro USB port. Connecting to a computer is similar to using a USB flash drive with PC.<br>Built-in mono 10 watt amplifier that can drive a 10 watt (8 ohm) speaker directly. Or  5 watt (if using 4 ohm speaker)<br>Equipped with a 3.5mm audio jack for stereo output that can drive an earphone directly or to connect with an external amplifier.<br>Adjustable sound volume with the onboard potentiometer.<br>Wide range for power input (DC 8-24V).<br>PCB size: 52mmx49mm<br>Technical Parameters:<br>Working voltage: DC 8V-24V<br>Working current: ≤400mA (Input: DC12V DC)<br>Working current if playback through headphone jack only: 30mA (Input 12V DC)<br>Standby current: 10mA (Input 12V DC)<br>Power Consumption: ≤10W<br>Onboard flash memory size: 4MB<br>Audio format: MP3 and WAV<br>