The drivers themselves boast four-armature speakers and a three-way crossover -- impressive from a technical standpoint.

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Thanks to four-armature speakers and a three-way crossover in a universal fit, you'll hear a wide soundstage with soul-satisfying bass, heavenly highs and a crisp, piano-like timbre.

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And sometimes luring a crossover talent proves a similarly appealing way to land a big name without having to shell out a similarly sized paycheck.

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However, the crossover itself wastes power, so tri-amping is a way to avoid this problem.

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More are on the way -- the talk of this year's big Detroit auto show was all about "crossover" vehicles such as Ford's new Edge and Acura's RDX, while even Mini is planning to build a wagon version of its beloved Cooper hatchback.

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