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A soundbar, sound bar or media bar is a type of loudspeaker that projects audio from a wide enclosure. It is much wider than it is tall, partly for acoustic reasons, and partly so it can be mounted above or below a display device (e.g. above a computer monitor or under a home theater or television screen).
Audio channels: A 2.1-channel soundbar has two main speakers and one subwoofer. A 7.1.2-channel system has seven main speakers, one subwoofer and two rear speakers.
The number of speakers can also vary: while entry-level models are limited to a single speaker, more elaborate models can offer two, and thus have stereo sound. Some wireless speakers add a passive radiator to improve low frequencies and achieve deeper sound. [3]
November 2009 – the ZonePlayer S5 (later PLAY:5), the first independent Sonos-connected amplified speaker. [54] July 2011 – the Play:3, a second, smaller, amplified speaker in its Play lineup of smart speakers. [55] [56] May 2012 – the SUB wireless subwoofer. [57] February 2013 – the PLAYBAR soundbar speaker. [58]
From about 1900 to the 1950s, the "lowest frequency in practical use" in recordings, broadcasting and music playback was 100 Hz. [9] When sound was developed for motion pictures, the basic RCA sound system was a single 8-inch (20 cm) speaker mounted in straight horn, an approach which was deemed unsatisfactory by Hollywood decisionmakers, who hired Western Electric engineers to develop a ...
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Several coaches are squarely on the NFL hot seat entering Week 18, with Mike McCarthy and Brian Daboll among those facing uncertain futures.
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