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2. List of car audio manufacturers and brands - Wikipedia

   en.wikipedia.org/wiki/List_of_car_audio...

   This list of car audio manufacturers and brands comprises brand labels and manufacturers of both original equipment manufacturer (OEM) and after-market products generally related to in-car entertainment that already have articles within Wikipedia. While components sold by these companies have much in common with other audio applications or may ...

3. Onkyo - Wikipedia

   en.wikipedia.org/wiki/Onkyo

   Onkyo, Integra, Pioneer and Pioneer Elite branded products continue to be distributed by PAC via its 11 Trading Company subsidiary. [13] A professor noted in The Asahi Shimbun that Onkyo prioritized its manufacturing quality to the detriment of its adaptability to market conditions, with the advent of the smartphone killing off the middle ...

4. Pioneer Corporation - Wikipedia

   en.wikipedia.org/wiki/Pioneer_Corporation

   December 2006: Pioneer closes its car audio division in Singapore. January 2007: Pioneer displays their 9 mm (0.35 in) thick concept plasma, [12] as well as their "extreme contrast" concept plasma. [13] July 2008: Pioneer develops 16-layer Blu-ray Disc capable of storing 400 GB. [14] November 2009: Pioneer moves its head office from Tokyo to ...

5. Powered speakers - Wikipedia

   en.wikipedia.org/wiki/Powered_speakers

   An active full-range loudspeaker. Powered speakers, also known as self-powered speakers and active speakers, are loudspeakers that have built-in amplifiers.Powered speakers are used in a range of settings, including in sound reinforcement systems (used at live music concerts), both for the main speakers facing the audience and the monitor speakers facing the performers; by DJs performing at ...

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. Loudspeaker - Wikipedia

   en.wikipedia.org/wiki/Loudspeaker

   A speaker 3 dB more sensitive than another produces double the sound power (is 3 dB louder) for the same electrical power input. Thus, a 100 W driver (A) rated at 92 dB for 1 W @ 1 m sensitivity puts out twice as much acoustic power as a 200 W driver (B) rated at 89 dB for 1 W @ 1 m when both are driven with 100 W of electrical power.