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The ZiiSound, Inspire and Creative Wireless Speakers is a range of wireless speakers by Creative Technology, which utilizes Bluetooth technology and apt-X audio codec for high-quality wireless streaming of audio. Their first wireless speaker, The Inspire S2 Wireless 2.1 Speaker System, was released on 1 October 2009 .
The receiver/speaker unit generally contains an amplifier to boost the audio signal to the loudspeaker; it is powered either by batteries or by an AC electric outlet. [2] The signal frequency range used by wireless speakers is generally the same as that used by cordless telephones – 900 MHz. The RF signal can traverse walls and floors/ceilings.
The first SoundLink product was released in 2009 [1] and used a USB wireless transmitter plugged into the computer to receive audio from the computer (using a proprietary protocol— not Bluetooth). [2] The system included a remote control. Reviewers criticized the high price of US$550. [3] [4]
A tweeter or treble speaker is a special type of loudspeaker (usually dome, inverse dome or horn-type) that is designed to produce high audio frequencies, typically up to 100 kHz. The name is derived from the high pitched sounds made by some birds (tweets), especially in contrast to the low woofs made by many dogs , after which low-frequency ...
A dipole speaker enclosure in its simplest form is constructed by mounting a loudspeaker driver on a flat panel. The panel may be folded to conserve space. The panel may be folded to conserve space. The term dipole derives from the fact that the polar response consists of two lobes , with equal radiation forwards and backwards, and none ...
The original Google Home model is a cylindrical speaker that is 5.62 inches (143 millimetres) tall and 3.79 inches (96 millimetres) in diameter. [32] The top surface of the device features colored status LEDs , and features capacitive touch controls to start and stop music, and adjust volume.
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