Saving space in cars (and elsewhere) with a speakerless audio system: Page 2 of 2

January 10, 2020 //By Christoph Hammerschmidt
Saving space in cars (and elsewhere) with a speakerless audio system saves space
At CES 2020, Continental and electro-acoustics specialist Sennheiser are presenting an audio system for the vehicle interior that does not require any loudspeakers at all, yet is promising to provide a high-quality 3D sound experience.

The audio solution also achieves a lower weight and a considerably reduced installation volume compared to the complex multi-way speaker systems that are common in sophisticated audio systems. In comparison: today's systems weigh up to 40 kilograms. Ac2ated Sound is significantly more weight-efficient due to the use of existing surfaces. Compared with comparable conventional systems on the market, it allows a weight and installation space reduction in the range of 75 to 90 percent, Continental promises.

At the same time, the innovative audio technology frees designers and vehicle manufacturers from the problem of having to integrate wide loudspeaker fronts into the interior surfaces and provide considerable installation space for loudspeakers. Thanks to Ac2ated Sound, many components are no longer necessary because the surfaces in the vehicle vibrate just as much as loudspeaker membranes. To achieve this, components such as the A-pillar trim, door panels, roof lining and rear shelf are made to vibrate by actuators so that they emit sound in different frequency ranges.

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Speaker-less audio system saves weight, volume

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