10 Buttons Triggered MP3 Player Board with 3W Amplifier and Solder Pads

Features:With high quality audio decoder, supports MP3 and WAV audio formats.Works with most Windows, Mac, and Linux systemsSampling rates supported: 8/11.025/12/16/22.05/24/32/44.1/48(KHz).24 bit DAC output and supports dynamic range 90 dB and SNR 85dB.Supports one-on-one 10 button trigger control mode and RS232 serial port control mode.In button control mode, it plays back 10 sounds one-on-one by negative triggering.Supports multiple messages per buttonUses a built-in 8 MBytes(64 Mbits) SPI flash memory for storage deviceLoad audio files to the flash memory directly via the micro USB connecting with computer like using a USB flash drive.Equipped with a mono 3 watts amplifier that can drive a 1-3 watts (4-8 ohms) speaker directlyEquipped with a 3.5mm audio jack for stereo output that can drive an earphone directly or connect with an external amplifier.Supports detection of indication signal of status change through the Busy output.Adjustable sound volume with the potentiometer.DC 5V power input. Also possible to supply the power via the micro USB port.PCB size: 40mmx40mmTechnical Parameters:Working voltage: DC 5VWorking current: ≤250mAPower Consumption: ≤3WOn-board flash memory size: 8 MBytes(64 Mbps)Audio format: MP3 and WAV