Wide Band Video Amplifier

    A wide band video amplifier is a high resolution video amplifier used in some RCA video displays.

Widescreen Video

Widescreen refers to a video format that is similar to movie format; widescreen is more rectangular the broadcast formatting, which uses the almost-square 4:3 NTSC format. The terms "16:9" and "widescreen" are sometimes used interchangeably, although 16:9 is only one of many widescreen aspect ratios.

Woofer

    A woofer is a speaker driver that handles the low-frequency signals of a sound wave.