Sony Group Corporation, formerly known as Tokyo Tsushin Kogyo K.K. and Sony Corporation (ソニー株式会社), commonly known as Sony, is a Japanese multinational conglomerate headquartered in Minato, Tokyo, Japan. The Sony Group comprises entities such as Sony Corporation, Sony Semiconductor Solutions, Sony Entertainment, Sony Interactive Entertainment, Sony Financial Group, and others.
THX Ltd. is an American audio company based in the San Francisco Bay Area. It is known for its eponymous suite of high fidelity audiovisual reproduction standards for movie theaters, screening rooms, home theaters, computer speakers, video game consoles, car audio systems, and video games. The THX trailer that precedes compliant films is based on the Deep Note, with a distinctive glissando up from a rumbling low pitch.
A walkie-talkie, more formally known as a handheld transceiver, HT, or handheld radio, is a hand-held, portable, two-way radio transceiver. Its development during the Second World War has been variously credited to Donald Hings, radio engineer Alfred J. Gross, Henryk Magnuski and engineering teams at Motorola. First used for infantry, similar designs were created for field artillery and tank units, and after the war, walkie-talkies spread to public safety and eventually commercial and jobsite work.
Pioneer Corporation, commonly referred to as Pioneer, is a Japanese multinational corporation based in Tokyo, that specializes in digital entertainment products. The company was founded by Nozomu Matsumoto on January 1, 1938 in Tokyo as a radio and speaker repair shop. Its current president is Shiro Yahara.
Klipsch Audio Technologies is an American loudspeaker company based in Indianapolis, Indiana. Founded in Hope, Arkansas, in 1946 as 'Klipsch and Associates' by Paul W. Klipsch, the company produces loudspeaker drivers and enclosures, as well as complete loudspeakers for high-end, high-fidelity sound systems, public address applications, and personal computers.
Bang & Olufsen (B&O) is a Danish high-end consumer electronics company that designs and manufactures audio products, television sets, and telephones, originally from Denmark, founded in 1925 by Peter Bang and Svend Olufsen, who designed a radio to work with alternating current, a product of significance at a time when most radios were still running on batteries.
Denon is a Japanese electronics company dealing with audio equipment. The Denon brand came from a merger of Denki Onkyo and others in 1939, but it originally started as Nippon Chikuonki Shoukai in 1910 by Frederick Whitney Horn, an American entrepreneur.
Acoustic Research was a Cambridge, Massachusetts-based company that manufactured high-end audio equipment. The brand is now owned by VOXX. Acoustic Research was known for the AR-3 series of speaker systems, which used the 12 in (300 mm) acoustic suspension woofer of the AR-1 with newly designed dome mid-range speaker and high-frequency drivers. AR's line of acoustic suspension speakers were the first loudspeakers with relatively flat response, extended bass, wide dispersion, small size, and reasonable cost. The AR Turntable remains a highly sought vinyl record player.
Boston Acoustics was an American manufacturer of home and mobile audio equipment founded in 1979. The company produced speakers for home, custom/architectural, and car audio.
RPM International Inc. is an American multinational company with subsidiaries that manufacture and market specialty coatings, sealants and building materials. Industrial brands include Tremco, Carboline, Universal Sealants, Stonhard, RPM/Belgium, Euco, Day-Glo and Dryvit. RPM's consumer products are used by professionals and do-it-yourselfers for home maintenance and improvement and by hobbyists. Consumer brands include Zinsser, Rust-Oleum, DAP, Varathane, Mean Green, Krud Kutter, Concrobium, Moldex and Testors.
Directed Electronics, Inc. (DEI) is an Orlando, Florida-based producer of car security products, including Viper car alarms and accessories. It is a subsidiary of VOXX Automotive, which is owned by VOXX International.
RCA is an American multinational trademark brand owned by Talisman Brands, Inc. which is used on products made by that company as well as Sony Music Entertainment, Voxx International and ON Corporation. RCA is an abbreviation for the Radio Corporation of America, founded in 1919. The company became known as the RCA Corporation in 1969. In late 1986, RCA was purchased by General Electric and over the next few years, GE sold or liquidated most of the corporation's various divisions and assets.
Jensen is a consumer electronics brand with a history that dates back to 1915 with Peter L. Jensen's invention of the first loudspeaker. Over the years the Jensen family of brands has grown to include Jensen, Advent, Acoustic Research (AR), Phase Linear and NHT Loudspeakers in the United States and Magnat and Macaudio in Germany. In 2004, Audiovox Corporation added the Jensen portfolio of brands to their mobile and consumer electronics lines. In 2015, Dual Electronics Corporation acquired Jensen, however Audiovox maintains its selection of Advent-branded car audio/navigation head units from its line.
Onkyo Corporation is a Japanese consumer electronics company, specializing in premium home cinema and audio equipment, including AV receivers, surround sound speakers and portable devices. The company started under the name of Osaka Denki Onkyo K.K. in 1946. The company's umbrella included Integra and Integra Research divisions as well as the main Onkyo brand. It became Onkyo Home Entertainment Corporation after purchasing Pioneer Corporation. The company became bankrupt in 2022; the Onkyo brand now does business under joint ownership by Sharp Corporation and Voxx International.
Sharp Corporation is a Japanese electronics company. It is headquartered in Sakai, Osaka, and was founded by Tokuji Hayakawa in 1912 in Honjo, Tokyo, and established as the Hayakawa Metal Works Institute in Abeno, Osaka, in 1924. Since 2016, it is majority owned by the Taiwan-based manufacturer Hon Hai Precision Industry Co., Ltd., better known as Foxconn.
Shintom Industries Co. Ltd. was a Japanese consumer electronics company headquartered in Yokohama, Japan, first founded in 1955 and ended in 2004, after filing for Chapter 7 bankruptcy. Shintom was engaged in the development, manufacture, and sale of mobile phone, car audio, transistor radio, videocassette recorder, measuring instrument, and medical equipment. Shintom had two factories worldwide, located both in Japan and Indonesia. Shintom first held a stake with Audiovox in 1980 as an OEM supplier for Audiovox car stereos.
Namsung is a South Korean multinational company headquartered in Seoul. Namsung was founded by Yoon Bong-Soo in 1965 as an OEM electronics manufacturing company. Namsung's subsidiaries include Namsung Telecom, Dreamer, Namsung International, and Namsung America.
DEI Holdings, Inc. is the US parent company of several brands of consumer audio electronics and vehicle security/remote start systems. DEI Holdings is owned by New York City and Boston-based private equity firm Charlesbank Capital Partners.
US$464.8M (FY 2019) [1] 
