Yeeco 2.1 Channel Audio Stereo Amplifier Subwoofer Board; DC 12-24V High Power 2x50W 1x100W Sub Output Super Bass Power Amplifier Amp Ampli Module<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>DC 12-24V 50W+50W+100W(Bass) audio amplifier board; Come with transparent protective case</li><li>With Φ 2cm Stereo/ Bass/ Volume controlled knobs which make you feel comfortable when adjusting</li><li>With both characteristic of &gt;90%power efficiency and and low idle loss， prevent AM interference</li><li>Detachable heat sink chip; Suppress interference &amp; filter noise chip inductors and DC connecting port</li><li>Dimension: 134x137x68mm(length x width x height)， non-slip base help you keep the amplifier safe in place</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51faUWG3gdL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51uPFuvbACL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51tyjQy3BIL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41jFoyhkWsL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41rd%2BRS6OhL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51YoI0t1pjL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51mN-6F0g8L.jpg" noproxy>