Why would you need a converter? Are you wanting to use the amp that powered it as well?

Should be able to use it just like a regular home woofer. It will probably sound better on your home system than it did in your car. What brand/size/model?

'01 Escape XLT V6 on S100 CDT Audio/Ascendant Audio/Rockford/JBL/Knukonceptz setup '00 SE Sport ATX