Oldfatdogs

Hello Joe,welcome to the forum.This should get you started. http://www.soniccraft.com/products.htm http://www.polkaudio.com/forums/showthread.php?51420-Monitor-5b-s-x-over-upgrade-w-pics&p=614789…

Hello Joe sorry to confuse you,the first link is to soniccraft.It is one of many places to buy your parts for your upgrade.The other is from one of our long time members who did the upgrade you want …