Video - Video is the technology of electromagnetically recording, processing, transmitting, and reconstructing a sequence of images that represent scenes in motion.
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Ampere - The ampere (symbol: A) is the SI base unit of electrical current equal to one coulomb per second. It is named after André-Marie Ampère, one of the main discoverers of electromagnetism.
Th. Used . e ampere is that constant current which, if maintained in two straight parallel conductors of infinite length, of negligible circular cross-section, and placed 1 metre apart in vacuum, would . Used . produce between these conductors a force equal to 2×10–7 newton per metre of length....
Subs - A sub or subwoofer is a speaker dedicated to the reproduction of bass frequencies, usually from about 20 Hz to about 200 Hz. . Used . . Used . ...
Drivers and Horns - Drivers and Horns are speakers designed to produce high frequency audio usually around 3-5 kHz and up to 20 kHz. Horns are usually in the shape of a long corn and look somewhat like the horn of a mus. Used . ical instrument. . Used . ...
Watt - An international system for the measurement of the amount of power used by a device, usually electrical in nature, equal to one joule per second or one ampere of current flowing at one volt. The watt. Used . is named after James Watt for his contributions to the development of the steam engine and in turn its contribution to electrical power.. Used . ...