Wireless speakers convert electrical energy into sound energy. Unlike standard speakers, they do not use wiring systems to receive audio signals; instead, they use wireless technology such as infrared or radio frequency waves.
A typical wireless speaker consists of several speaker units and a transmitter plugged into the audio output of audio devices such as televisions, radios, hi-fi equipment, computers, and MP3 players. Most units usually have frequency range of 900 MHz, the same range used by cordless telephones.
Radio frequency wireless speakers receive audio signals through the radio waves sent by RF transmitters. Audio signals can pass through walls and other objects, but if they collide with other signals, interference and static can occur. They provide more positioning freedom and flexibility than Infrared wireless speakers.
Infrared (IR) wireless speakers
Infrared wireless speakers receive sound signals beamed by the transmitter using infrared waves. They should be in the direct line of sight of the transmitter. If an object comes between them and the transmitter, they may not receive the signals properly.
Range. For best results, choose wireless speakers that allow up to 100 feet interval distance between them and the base device. You should get a clear transmission as long as there are no objects or walls in between them to disrupt the signals.
Weatherproofing. If you intend to use your wireless speakers outdoors, make sure they are weatherproof to protect them from the damages brought about by heat, humidity, wind, water, and temperature changes.
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