Lanzar OPTIX3B Optidrive 3 Way Electronic Crossover Network with Remote Bass Boost Level Control<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Blue light illuminated control panel</li><li>Removable covers for power and in/output ports.</li><li>Rotary control knobs</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51gVf0B9L9L.jpg" noproxy>