SMAKN® PAM8406 amplifier board， German quality! ! Definitely more than PAM8403<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Power: 6W + 6W </span></li><li><span class="a-list-item"> Input voltage: 3V-5V </span></li><li><span class="a-list-item"> Use high-quality Class D PAM8406 chip </span></li><li><span class="a-list-item"> HIFI sound quality standard </span></li><li><span class="a-list-item"> With power protection IC (power reverse will not burn the equipment) </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31AFWYlKI0L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31ejLtmIriL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31AFWYlKI0L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/317wgX1N1GL.jpg" noproxy>