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The portable audio products sold by Bose Corporation have been marketed as portable smart speaker and SoundLink. These wireless speaker systems are battery powered and play audio over a wireless connection from a separate source device (such as a computer or smartphone). Most Soundlink models use Bluetooth to communicate with the source device.
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 ...
In 2004, the 151 was replaced by the 151 SE, which now featured "Direct/Reflecting" speaker technology for wider coverage, as well as the versatility of vertical or horizontal mounting using the included flushmount brackets. Also introduced in 2004, the 251 Series Environmental Speaker was a larger version of the 151 Series.
PMC speakers: United Kingdom Polk Audio: United States ProAc: United Kingdom PSB Speakers: Canada QSC Audio Products: United States Quad Electroacoustics: United Kingdom (brand) Radio Shack: United States RCF audio: Italy Rectilinear Research Corporation: United States Rega Research: United Kingdom Renkus-Heinz: United States ReVox: Switzerland ...
It was a 2.1 system consisting of two satellite speakers, a subwoofer, a wired control unit and an inbuilt sound card, which connected to the computer via USB. The subwoofer was very similar to that used in the Companion 3 Series II system, however the Companion 5 used larger satellite speakers.
In the 1990s Yamaha introduced the NS-10MT, a bass-reflex version of the 10M X with a different tweeter and grille. Designed for home cinema, it has bass response down to 43 Hz, nominal impedance of 6 ohm and maximum power handling rated at 180 W. [8] A miniature version named Natural Sound Surround Speaker NS10MM was launched in 1997 or 1998. [12]
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