The first transistor radio, the Regency TR-1, went on the market for $49.99 in 1954. The radio contains four transistors.

第一款晶体管收音机-丽晶TR - 1（Regency TR-1），1954年以49.99美元的价格面市，其中包含四个晶体管。

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In one of those perfect cultural marriages of pop and technology, the 1950s brought us both Elvis Presley and the Sony TR-63, the first transistor radio cheap enough to fit the budgets of teenagers.

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In 1954 IDEA Corporation of the United States introduced the Regency TR-1, the world's first transistor radio.

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