Audio-Sound Breakout - WTV020SD<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Low-cost module for all embedded Audio-Sound applications.</li><li>Supports 4-bit ADPCM (.ad4) file formats with sampling rates from 6Khz to 36Khz.</li><li>Differential 2 line PWM output for direct speaker connection (8 Ohm/0.5W).</li><li>Dedicated 16-bit DAC/PWM audio output to use with an external amplifier.</li><li>On-board micro-SD memory card adaptor for storing of audio， voice and music files (up to 512 files).</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51zSZ4vkMJL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51oaqutAzfL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51jCmOXNyIL.jpg" noproxy>