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A boombox is a transistorized portable music player featuring one or two cassette tape players/recorders and AM/FM radio, generally with a carrying handle. Beginning in the mid-1990s, a CD player was often included. [1] Sound is delivered through an amplifier and two or more integrated loudspeakers.
Optonica amplifier (SM-3636) and tuner (ST-3636) from 1978. The Optonica brand was created and first launched by Sharp of Japan in 1975 to compete in the high-end audio market along with established brands such as Sansui Electric, Sony, Panasonic, Sanyo, Yamaha, Nakamichi, Onkyo, Fisher Electronics, Technics (brand), Pioneer Corporation, Kenwood Corporation, JVC, Harman Kardon and Marantz.
The line was discontinued after 1981, but the Optonica line was again re-introduced in the late 1980s for a high end line of television receivers and higher quality mass market audio products such as VCRs, surround sound receivers, CD cassette boom boxes, and portable cassette players. The first wall-mountable TV was introduced by Sharp in 1992 ...
Panasonic Stereo Cassette Player RQ-JA63. The first portable audio player available to the general public, the Sony Walkman, was introduced in 1979 and sold very well.It was much smaller than an 8-track player or the earlier cassette recorders, and was listened to with stereophonic headphones, unlike previous equipment which used small loudspeakers.
Portable CD players are powered by batteries and they have a 1/8" headphone jack into which the user plugs a pair of headphones. The first portable CD player released was the D-50 by Sony. [58] The D-50 was made available on the market in 1984, [59] and adopted for Sony's entire portable CD player line.
Since the 1980s, the popularity of radio-only portable devices declined with the rise of portable audio players which allowed users to carry and listen to tape-recorded music. This began in the late 1970s with boom boxes and portable cassette players such as the Sony Walkman, followed by portable CD players, digital audio players, and smartphones.