Sony is providing quality mobile audio components with three new speakers, three new amplifiers and a new subwoofer here at the Specialty Equipment Market Association’s (SEMA) annual trade show.The company unveiled its new GTX series speakers, which are the perfect complement to the GT series head units. Three new models — XS-GTX1620S (about 6.5 inches in diameter), XS-GTX6930 (about 6 x 9 inches in height and width) and XS-GTX1640 (about 6.5-inches in diameter) — feature sleek designs and dynamic sound quality.

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