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2. Wireless speaker - Wikipedia

   en.wikipedia.org/wiki/Wireless_speaker

   Wireless speakers are loudspeakers that receive audio signals using radio frequency (RF) waves rather than over audio cables. The two most popular RF frequencies that support audio transmission to wireless loudspeakers include a variation of WiFi IEEE 802.11 , while others depend on Bluetooth to transmit audio data to the receiving speaker.

3. 2.4 GHz radio use - Wikipedia

   en.wikipedia.org/wiki/2.4_GHz_radio_use

   Wireless speakers operate as receivers. The transmitter is a preamplifier that may be integrated in another device. Some wireless speakers use the 2.4 GHz band, with a proprietary protocol. They may be subject to dropouts caused by interference from other devices.

4. List of Bose portable audio products - Wikipedia

   en.wikipedia.org/wiki/List_of_Bose_portable...

   The portable audio products sold by Bose Corporation have been marketed as portable smart speaker and SoundLink. These wireless speaker systems are battery powered and play audio over a wireless connection from a separate source device (such as a computer or smartphone). Most Soundlink models use Bluetooth to communicate with the source device.

5. The best smart speakers for seniors in 2023 - AOL

   www.aol.com/lifestyle/best-smart-home-speakers...

   Look for smart speakers that integrate seamlessly with popular smart home platforms for the best user experience. Special features: Depending on your preferences and needs, certain senior-friendly ...

6. Subwoofer - Wikipedia

   en.wikipedia.org/wiki/Subwoofer

   From about 1900 to the 1950s, the "lowest frequency in practical use" in recordings, broadcasting and music playback was 100 Hz. [9] When sound was developed for motion pictures, the basic RCA sound system was a single 8-inch (20 cm) speaker mounted in straight horn, an approach which was deemed unsatisfactory by Hollywood decisionmakers, who hired Western Electric engineers to develop a ...

7. Creative Wireless Speakers - Wikipedia

   en.wikipedia.org/wiki/Creative_Wireless_Speakers

   The ZiiSound, Inspire and Creative Wireless Speakers is a range of wireless speakers by Creative Technology, which utilizes Bluetooth technology and apt-X audio codec for high-quality wireless streaming of audio. Their first wireless speaker, The Inspire S2 Wireless 2.1 Speaker System, was released on 1 October 2009 .