The acoustic engineers have developed characteristic sounds for every speed. This means that the engine sound can adapt to the rpm of the electric engine. The volume of the e-Golf* therefore depends on its speed. In the car, a sound system brings the synthetic sound to life. The control unit for the system is installed in the radio slot behind the display, while the loudspeakers work in the engine compartment.
When the e-Golf* is stationary, you hear nothing. After driving off, the volume of the e-Sound first increases in a linear manner and then remains constant between ten and 30 kilometers per hour. At higher speeds, it decreases again, and beyond 50 kilometers per hour, the loudspeaker is silent. That’s because, from a speed of 40 kilometers per hour, the rolling noise of the tires takes over the leading role in terms of sound. And the faster the e-Golf* travels, the higher this sound becomes.
Once other road users have got used to the new sound of electromobility, there is no reason not to increase the electric sound component in the future. The e-Golf* could receive any conceivable sound; for example, it could drive around town making the sound of an airplane. But this is rather unlikely. Ultimately, the sound should not only sound like a car but also suit the vehicle. For the e-Golf*, this means one thing above all: remaining environmentally friendly.