Smart Sound

Tenneco

Smart Sound is a mechatronic system based on a loudspeaker actuator – capable of adjusting the powertrain acoustic performance on demand (cancellation and enhancement) 
This active system provides realistic sound and achieves stringent acoustic targets while minimizing exhaust backpressure. Lower backpressure makes a favorable impact on engine power and fuel consumption 

In a more quiet, electric driving world, noise for safety will play a critical role. Smart Sound adds a safety feature for electric driving modes

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