Term	Definition	Demo
W-dome tweeter	A tweeter that includes a voice coil that is substantially smaller in diameter than the tweeter's diaphragm. W-dome tweeters often look like little cones with the voice coil former attached to the inner diameter.
Watt	The basic unit for electrical or acoustical power. See: Power
Wattage	Amount of electrical power expressed in watts. See: Power.
Wave	See Sound Wave
Waveform	The amplitude of a sound or electrical wave displayed as a function of time. The 'shape' of a wave.
Wavelength	The distance traveled by a single-frequency sound as it propagates. In air, it can be calculated by dividing the speed of sound (1130 ft/s, 345 m/s) by the frequency.
White Noise	Random Noise having a continuous spectrum and constant energy per cycle. Compared to pink noise, white noise sound bright. See: Pink Noise
Widescreen	A video display that is wider than the standard 4:3 aspect ratio although, in the context of DVD and HDTV, widescreen refers specifically to a 16:9 aspect ratio. See: Aspect Ratio.
Woofer	A loudspeaker driver designed to reproduce bass frequencies.