Continental has introduced Ac2ated Sound, an innovative, speakerless audio system that revolutionizes in-car sound experiences by utilizing existing vehicle surfaces to produce audio.
This groundbreaking technology replaces traditional speakers with specialized actuators that vibrate surfaces like door panels, roof linings, and glass displays, transforming the car interior into an immersive sound environment.
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This novel approach significantly reduces both the weight and volume required for traditional speaker setups—by as much as 90%. This advantage is especially beneficial for electric vehicles, where reducing weight can directly enhance battery efficiency and performance.
Moreover, the compact design of Ac2ated Sound frees interior space, giving car manufacturers greater design flexibility.

The collaboration with Sennheiser’s AMBEO Mobility technology further enhances the system, delivering immersive 3D audio and creating a lifelike listening experience.
Additionally, the system’s directional sound capabilities improve driver awareness by aligning audio cues with visual information, aiding navigation, and increasing safety.
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Ac2ated Sound has already earned industry recognition, including the CLEPA Innovation Award, for its transformative potential in automotive design and exceptional audio quality.
As vehicle design increasingly emphasizes sustainability and efficiency, Continental’s speakerless audio system is positioned to play a pivotal role in shaping the future of in-car entertainment and design.
Source: Continental AG, Press Release
