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2. 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 ...

3. List of Bose home audio products - Wikipedia

   en.wikipedia.org/wiki/List_of_Bose_home_audio...

   From 1994 until the mid-2010s, Bose sold several 5.1 channel audio systems, which used five small satellite speakers and a subwoofer. Early systems used an in-built CD player, followed by a DVD player and later models were AV receivers, which used external audio sources.

4. Low-frequency effects - Wikipedia

   en.wikipedia.org/wiki/Low-frequency_effects

   With home theater systems, a multichannel audio system was used to deliver different sounds to six or more different speakers. The widely used 5.1-channel audio system consists of five full-range main (Left, Center, Right, Left rear Surround, and Right rear Surround) plus a Low-Frequency Effects (LFE) channel. Many typical home theater systems ...

5. The best soundbars for your TV in 2025: No more ... - AOL

   www.aol.com/lifestyle/best-soundbars-for-tv...

   Audio channels: A 2.1-channel soundbar has two main speakers and one subwoofer. A 7.1.2-channel system has seven main speakers, one subwoofer and two rear speakers. As a general rule, more ...

6. List of loudspeaker manufacturers - Wikipedia

   en.wikipedia.org/wiki/List_of_loudspeaker...

   Thiel Audio: United States TOA Corp. Japan U-Turn Audio: United States Vandersteen: United States Velodyne Acoustics: United States Veritone Minimum Phase Speakers: United States Vifa: Denmark Wharfedale: United Kingdom (brand) Wilson Audio: United States Wilson Benesch: United Kingdom Yamaha: Japan Yorkville Sound: Canada ZR Speaker Lab ...

7. Home cinema - Wikipedia

   en.wikipedia.org/wiki/Home_cinema

   Audio output: Systems consist of preamplifiers, power amplifiers (both of which may be integrated into a single AV receiver) and two or more loudspeakers mounted in speaker enclosures. The audio system requires at least a stereo power amplifier and two speakers, for stereo sound; most systems have multi-channel surround sound power amplifier ...