e/Servodrive

Information
has gloss	eng: Servodrive is most commonly known as a manufacturer of an unusual professional subwoofer. Rather than the cone being moved by a piston-like coil as normal it instead is moved by a motor. This, the manufacturer claims, allows it to be considerably more efficient than a traditional subwoofer and "the world's most powerful subwoofer"
lexicalization	eng: Servodrive
instance of	e/Loudspeaker manufacturers