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Recent models generally use Bluetooth 4.0 or even Bluetooth 5, and wireless speakers generally have a range of 10 meters. [4] Bluetooth devices use a radio communication frequency such that the devices do not have to be in a visual line of sight with each other. Some speakers may benefit from the NFC system to facilitate pairing with the source ...
1947 – JBL has a 15" speaker (38 cm), model D-130, using for the first time a 4" (100 mm) voice coil in a speaker cone; 1949 – James. B. Lansing dies of suicide; William Thomas became president of the company; 1954 – The 375 compression engine is the first 4-inch engine sold; its response extends to 9 kHz
The Bluetooth SIG completed the Bluetooth Core Specification version 4.0 (called Bluetooth Smart) and has been adopted as of 30 June 2010. It includes Classic Bluetooth, Bluetooth high speed and Bluetooth Low Energy (BLE) protocols. Bluetooth high speed is based on Wi-Fi, and Classic Bluetooth consists of legacy Bluetooth protocols.
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They use the wireless Bluetooth technology to "stream" audio to the boombox from a compatible Bluetooth device, such as a mobile phone or Bluetooth MP3 player. An example of this is the JAMBOX, [ 16 ] which is marketed as a "Smart Speaker" as it can also function as a speakerphone for voice calls in addition to being an audio playback device.
The Google Home smart speaker was released in the US on November 4, 2016, [8] [9] [10] and in the UK on April 6, 2017. [ 11 ] [ 12 ] In May 2017, Google announced that Home would be heading to Australia, Canada, France, Germany, and Japan in middle 2017, [ 13 ] [ 14 ] and the device subsequently became available for pre-order in Canada on June ...
The discography of the British band the Jam consists of 6 studio albums, 5 live albums, 8 compilation albums, 5 box sets, 6 videos, 3 extended plays, 18 singles, and 3 B-sides. The band, who formed in 1972, didn't debut until five years later in 1977, when they released their debut studio album In the City , which entered the UK Albums Chart at ...
The concept can be used in wireless data networks to disrupt information flow. [4] It is a common form of censorship in totalitarian countries, in order to prevent foreign radio stations in border areas from reaching the country. [3] Vietnamese siren jammer trying to jam Radio Dap Loi Song Nui, an anti-government and anti-communist radio station