Which part of crossover assembly is concerning you - is it the physical assembly (twisting parts together and soldering) or is it understanding the schematic and which parts go where? If the former, then watch Danny's crossover assembly videos for the mini or XLS Encore, if the latter, then check out my XStatik build - it shows a completed crossover which should help you get an idea of what goes where. If it is still unclear let me know and I can try to help.