More Horsepower For Your Car Stereo

JUST WHEN YOU THOUGHT CAR sound systems couldn't possibly get any louder, a radical advance in speaker design is threatening to shake the sidewalks in American cities. By March of next year, Phoenix Gold International Inc. of Portland, Ore., hopes to introduce a new species of subwoofer--a component in most high-end speaker systems that is optimized for bass. For around $700, Phoenix' 12-inch "Cyclone" unit will pump out about three times as much bass sound as other subwoofers with the same dimensions.

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