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Rio de Janeiro

JBL Pulse 4 Portable Bluetooth Speaker Black

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JBL Pulse 4 Portable Bluetooth Speaker Black - photo 1 JBL Pulse 4 Portable Bluetooth Speaker Black - photo 2 JBL Pulse 4 Portable Bluetooth Speaker Black - photo 3
Renewed: 6 September 2021, 03:46 ID: 23103
$70/piece2
Delivery terms: CIF Bangkok, Thailand
Flagma member since 27 June 2021
Donald Gray Max
manager

Description

Wireless speakers are very similar to traditional (wired) loudspeakers, but they transmit audio signals using radio frequency (RF) waves rather than over audio cables.
Wireless speakers are composed of two units: a main speaker unit combining the loudspeaker itself with an RF receiver, and an RF transmitter unit. The transmitter connects to the audio output of any audio devices such as hi-fi equipment, televisions, computers, mp3 players, etc. An RCA plug is normally used to achieve this. The receiver is positioned where the listener wants the sound to be, providing the freedom to move the wireless speakers around without the need of using cables. 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. Batteries may last for three to four hours; some wireless speakers operate on rechargeable batteries.
The signal frequency range used by wireless speakers

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Characteristics

Manufacturer
JBL Professional
Flagma member since 27 June 2021

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Works by Flagma since 27 June 2021
Donald Gray Max
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