Electronics123 com Inc 4 Buttons Triggered MP3 Player Board with 10W Amplifier and Terminal Blocks

Features: High quality audio decoder which, supports MP3 and WAV audio formats. Works with most Windows, Mac, and Linux systems Sampling rates supported: 8 / 11.025 / 12 / 16 / 22.05 / 24 / 32 / 44.1 / 48 (KHz). 24 bit DAC output and supports dynamic range 90dB and SNR 85dB. Supports one-on-one 4 button trigger control mode and RS232 serial port control mode. In button control mode, it plays back 4 sounds one-on-one by negative triggering. Uses microSD card and the built-in SPI flash memory as storage. Built-in 4MB SPI flash memory by default. Supports max. 32GB micro SD card. 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. Built-in mono 10 watt amplifier that can drive a 10 watt (8 ohm) speaker directly. Or  5 watt (if using 4 ohm speaker) Equipped with a 3.5mm audio jack for stereo output that can drive an earphone directly or to connect with an external amplifier. Wide range for power input (DC 8-24V). PCB size: 52mmx49mm Technical Parameters: Working voltage: DC 8V-24V Working current: ?400mA (Input: DC12V DC) Working current if playback through headphone jack only: 30mA (Input 12V DC) Standby current: 10mA (Input 12V DC) Power Consumption: ?10W Onboard flash memory size: 4MB Audio format: MP3 and WAV Instructions: http://www.electronics123.net/amazon/datasheet/FN-BC04-TB-Instructions.pdf http://www.electronics123.net/amazon/datasheet/FN-BC04-TB-HTML-Instructions.html