When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Are you doing 100% restoration? If not then any auto upohstery shop can make - it's just some industrial cardboard, and they glue anything you want to it. Also some ABS versions around with little 10 watt speakers.