Plasma   Understand HDTV / plasma television jargon with this convenient glossary.

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SUBWOOFER
A passive subwoofer is a powerful bass loudspeaker, which stands alone in a box, needing a power amplifier in the equipment to which it is connected. The more common active subwoofer incorporates its own mains-powered amplifier, and takes a signal feed at low level. See woofer.
ALSO SEE: HOME THEATER IN A BOX, WOOFER, LFE

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