More DVD-Audio discs have been released by record companies, but Matt Kruse, general manager of Hoyt Stereo, said he thinks that SACD will be the stronger format because companies are using it for their own master files. Digital audio tape, about half the size of a standard cassette, was going to be the future of home recording. But its use is generally limited to professional recording studios. A handheld computer or personal digital assistant. The basic units keep track of contacts and appointments, but there are thousands of software applications that can be added.
Some models even have wireless capability to check e-mail and stock prices.
A speaker designed to produce extremely low bass sounds. They're common in home theaters and car stereos. Yes, it's what you hear when that Honda Civic beside you at the stoplight makes your car rattle. Active subwoofers have their own amplifier. Passive subwoofers do not.