Among the speakers we can distinguish some types made for specific applications, such as center channels, wireless active speakers or subwoofers. Each has its place in a stereo or home theater, but their makers rarely focus on a particular type of speaker. Manufacturers try to satisfy every customer and offer everything, including these very specific products. There are several specialized factories among which subwoofer specialists tend to be the strongest group. REL was founded in 1990 by Richard Edmund Lord.