This system wouldn't be easy to fit in most houses - but you could try! I have no idea of the prices are good or not, just interesting gear, I thought.
https://desmoines.craigslist.org/ele/5145148025.html
https://desmoines.craigslist.org/ele/5145155785.html
https://desmoines.craigslist.org/ele/5145163152.html
https://desmoines.craigslist.org/ele/5145174580.html
https://desmoines.craigslist.org/ele/5145148025.html
https://desmoines.craigslist.org/ele/5145155785.html
https://desmoines.craigslist.org/ele/5145163152.html
https://desmoines.craigslist.org/ele/5145174580.html