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What are 900 MHz Wireless Speakers?

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  • Written By: V. Saxena
  • Edited By: Allegra J. Lingo
  • Last Modified Date: 27 October 2016
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900 MHz wireless speakers are speakers that transmit and receive audio signals via 900 MHz radio frequency (RF) waves instead of through standard audio cables. This is the same frequency used by cordless telephones. 900 MHz RF waves can pass through ceilings, floors, and walls across a range between 150 and 300 feet.

The 900 MHz wireless speakers and headphones were designed and developed to give consumers an added level of convenience. Prior to wireless speakers, a user’s desk or stereo table would be cluttered with wires. In addition, the wireless technology allows users to move their speakers or headphones away from the audio source. This means they can continue to listen to music even if they’re in another room.

A 900 MHz wireless speaker is composed of two primary units—a loudspeaker with an integrated RF receiver, and an RF transmitter. The transmitter connects to a device, such as a television or computer, and then transmits 900 MHz wireless audio signals back to the speaker. Speakers can be set to either mono or stereo.

Most wireless speakers are battery operated, so that they can easily be moved about. Some also offer an AC adapter for users who don’t want to spend their money on batteries. Consumers must know their preferred power source, and make sure a model is chosen that fits their needs.

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900 MHz wireless speakers are especially popular with consumers trying to setup a home theater entertainment system. In fact, wireless speakers can even be configured in a multi-channel (5.1, 6.1, 7.1) setup. In this instance, there is a large central receiver that connects directly to the source, and then transmits the signals to all the speakers in its range.

Many users feel the 900 MHz wireless speakers suffer from a plethora of problems. They often do not perform as well as their wired counterparts. Despite the improvements in technology, the 900 MHz signals often encounter a dissatisfactory amount of interference from other devices that emit radio frequencies, such as cell phones or baby monitors. Most wireless systems have a tuning knob installed, which allows users to access other variable transmission frequencies or channels.

Users also encounter issues with the quality of manufacturing of the 900 Mhz wireless speakers. Many are one-way speakers with a loudspeaker built for low-frequency sound emissions, known as a woofer. This prevents the speakers from producing high quality audio that a wired speaker with multiple woofers can produce.

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