The “sub crawl” is a little-known way you can optimize the placement of your surround sound system’s subwoofer. I rely on it whenever I get a new system to test or buy for myself. It can seem odd, but ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The “sub crawl” is a little-known way you can optimize the placement of your surround sound system’s ...