SMAKN® TPA3116 2.1CH 2*50W+100W Amp Kit Amplifier Assembled Board<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Voltage Range:12-25v(recommended 19-24v/3A，more power:24v/4a) </span></li><li><span class="a-list-item"> Subwoofer Speaker Impedance Ouyput:2-8ohm </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51HD-wXELwL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/4114fDZFEvL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51LFGsE3g-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41t-E76k1oL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41pl7c6i%2B7L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21w890d1NiL.jpg" noproxy>