XINY TPA3116 2.1 Subwoofer Amplifier Board DC12-24V HIFI Digital Amplifier Board 50W + 50W + 100W<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> This is a front amplifier， bass divider processing amplifier board. With bass， left and right channel volume adjustment， treble adjustment， total volume potentiometer control 2.1 power amplifier board. </span></li><li><span class="a-list-item"> Use DC power 12-24V， maximum support 50W (left channel) + 50W (right channel) + 100W (bass channel) three-channel output. </span></li><li><span class="a-list-item"> Using TPA3116D2 high-performance digital power amplifier chip as the core. A parallel bridge to do the subwoofer output， the other to do the left and right channel output. </span></li><li><span class="a-list-item"> Wide operating voltage， power-saving design， the efficiency of up to 90% or more. You can use a good performance of the switching power supply， laptop switching power supply， you can also use the car power and so on. </span></li><li><span class="a-list-item"> Boot anti-shock protection design， start no POP burst sound. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41UT1w6dxeL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41rDeKAXsdL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51TQksvdiiL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41oGpxvtrgL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Tvq9iNUZL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41y7UuMf%2BML.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41XzZrYm-cL.jpg" noproxy>