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How Porsche Is Evolving In-Car Audio With Gallium Nitride

How Porsche Is Evolving In-Car Audio With Gallium Nitride

A new material that offers greater efficiency than silicon, Porsche is bringing the first production-ready audio system with gallium nitride technology to the market.

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Combining luxury and performance with its celebrated lineup, Porsche enjoys its status as one of the most desirable names in the automotive industry. As such, Porsche’s vehicles feature some of the most premier audio systems on the market, and the brand has announced that it will pioneer even further innovation with the use of gallium nitride.

From 2027, Porsche cars equipped with the Burmester High-End Sound system will be the world’s first production-ready in-car audio systems to make use of gallium nitride technology. Used for the semiconductors, gallium nitride boasts greater efficiency and power density than silicon, offering the system greater performance in a smaller and lighter form factor.

A high-performance gallium nitride-based chip helps power the car’s 400-watt subwoofer amplifier, and the system was developed in collaboration between Porsche and the University of Stuttgart. A future Porsche, making its debut in 2027, will be the first vehicle to feature the technology in production.

About the new technology, Steffen Burosch, responsible for audio systems at Porsche’s Weissach Development Center, says, “A powerful bass foundation is part of the emotive experience our customers expect from a Porsche. The power reserves of our systems enable confident and dynamic sound reproduction, which is perfectly in keeping with the character of our sports cars. Sound in a Porsche is about pure emotion. By using GaN, we can enhance that experience even further.”

Porsche has already filed several patent applications for the technology, bringing gallium nitride technology, which has been used since the ‘90s for LEDs and is also used for USB chargers, tablets, and even satellites. Compared to silicon, the advantages of gallium nitride include reduced heat generation, higher switching frequencies, and lower switching losses. With those advantages, the heat sink can be made lighter, and other components can be made smaller, making the amplifier lighter and more compact in its design.

Porsche came up with the idea to use gallium nitride for in-car audio in 2023, beginning work to develop the system in 2024. With the first car to use the technology in production coming in 2027, Porsche is on the horizon of opening a new chapter for audio technology in the automotive industry.

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Image Source: Porsche

Tyler Rampersaud



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