I have a aYamaha Rx-A1000 receiver and Infinity 362 floor standing speakers and a large center Infinity Speaker and have Infinity 262 Floor speakers for the surrounds and a large infinity back speaker. For the sub i have a Infinity 10 inch 400 watt sub. Im trying to set it up correctly with the right crossovers and also the right sound adjustments. I could use any tips and a step by step way to correctly do it right. Also, can you add extra amp for additional power. Thanks in advance for all the help.