4 inches. According to the official website of the Wuling brand car, the Wuling Hongguang miniev audio modified MINI Mini Macaron passenger right tweeter subwoofer 4-inch single speaker is a special car-specific speaker, and the Wuling Mini Macaron audio is equipped with a 4-inch large speaker. The Wuling Automobile brand was born in 1985. The "Wuling" text and graphic trademarks were awarded China's Well-known Trademarks respectively. On November 18, 2002, SAIC-GM-Wuling Automobile Co., Ltd. was officially established.