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Wireless Speakers
Wireless speakers are gaining in popularity due to their sleek appearance and the fact that there is no longer any need for a tangled mess of wires criss-crossing everywhere. This makes for a very neat appearance indeed especially for people who have limited space. The technology that drives wireless speakers is basic and it it involves technology that converts electrics signal into acoustic ones. These signals are then transmitted via radio waves or infrared waves rather than the traditional wires.
There are two main technologies which drive wireless speakers. One is based on radio transmissions of FM signals from a remote transmitter all the way to the Wireless speakers. These speakers can be 300 feet away and the signal will be transmitted and processed without any hitches. This can also be through objects such as walls, ceilings and even building floors.
The second type of technology that drives wireless speakers is based on infrared and is considered a little more advanced so less common that its counterpart the radio signal. These are mostly utilized for the rear speaker set that produces the home theater effect. Basically, most manufactures prefer the first type-radio waves because it is easy to implement, is cheap and is also very powerful and effective.
When you purchase a home theater system with a set of Wireless speakers, you will find in your package, a transmitter, a receiver and the speakers themselves. The transmitter basically picks up audio/visual signals sent by the CD player and relays them to the receivers that are inbuilt into the Wireless speakers. These receivers decode the signals into sound and can receive these signals from even 300 feet away. That essentially means the transmitter and CD player could be in the living room but the speakers are in the bedroom or another part of the house and will still work perfectly.
Let us state at this point that the fact that the speakers are called Wireless speakers does not mean that the entire system is 100% devoid of any wires of any sort. The CD transmitter off course has internal wiring and there is also the good old power cord that leads to the socket on the wall.. The speakers themselves, especially the subwoofer is also connected to the power supply through a power cord otherwise there would be no sound. So the concept of Wireless speakers is a little exotic and is not a strict definition.
The range of Wireless speakers is usually 850-900 MHz. The downside of Wireless speakers is that if there is other electronic gadget in the same home operating in the same vicinity and within the same signal range there will definitely by interference and this may ultimately affect the quality of the sound. For optimum sound, it is recommended that the speakers in a room that does not have other radio transmitting devices. Good Wireless speakers have a tuner that will allow you to horn in on the best signal and tune out the interference.