Nobsound®Latest upgrated 2.1 digital power amplifier board TPA3116D2 50W+50W+100W 12V-24V<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> The amplifier board with two TPA3116D2 digital amplifier chip as the core，One do a left and right channel power amplifier，and the other bridge driver subwoofer， with small size， high efficiency， high power characteristics. Regardless of the cost of materials， capacitors Philips， Thomson， ruby. Taiwan-quality potentiometers sealed， original TPA3116D2 chip， SMD chip devices， and so on. Board circuit is simple， reliable work. Operating voltage 12V-25V. Left and right channel output 50WX2， subwoofer output 100W， efficiency can reach above 90% </span></li><li><span class="a-list-item"> Operating voltage: 12V-25V (recommended to use high-quality switching power supply) / Power output: 100W subwoofer left and right channel 50Wx2 / Dimensions: 83X100MM </span></li><li><span class="a-list-item"> New professional high-power digital 2.1 amplifier board 50W+50W+100W， NE5532 OP-amp. </span></li><li><span class="a-list-item"> the potentiometers from left to right: is trible bass and total volume </span></li><li><span class="a-list-item"> This is assembled Board and tested well.（we recommend use the Shield wire and metal chassis ）.For TPA3116 related items:（2.0 / 2.1 / 5.1 channel assembled board/finished in case），please search TPA3116 in our storefront. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51ZZS-hyoTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51CRIAwIxUL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51NUtU1vNcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41IKIpJCgzL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41w4qjzzTXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41RMtxSaedL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/413GSayMdvL.jpg" noproxy>