"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 ...

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 ...