What Causes the Low-Frequency Resonance in the Tenth-Generation Accord That Leads to Tinnitus?
2 Answers
Accord car low-frequency resonance causes tinnitus solution is to install high-efficiency sound insulation cotton, for noise reduction treatment. Impact: When the car has low-frequency resonance, the vehicle idles or drives at low speed, the low-frequency resonance continues to appear in the car, causing discomfort to the driver and passengers, and in severe cases, even dizziness, vertigo, nausea and other conditions. Due to the thin metal and plastic sheets in mid- to low-end cars, external noise can be transmitted. Thicker soundproofing sheets can be installed to block the noise. Solution: For low-frequency resonance in cars, in terms of sound insulation materials, it is recommended to use white sound-absorbing cotton (white cotton, Shirley cotton, microfiber cotton), which can effectively absorb low-frequency noise bands generated externally or internally. As for the material of the vibration damping plate, there are two types: asphalt and butyl rubber. Although both can eliminate low-frequency noise in cars, it is best to choose butyl rubber because the asphalt vibration damping plate will emit toxic gases such as formaldehyde and toluene at high temperatures, which have a great impact on human health.
As a technician who frequently deals with similar issues, I've encountered many 10th-generation Accord owners reporting tinnitus caused by low-frequency resonance. Typically, this stems from imperfect exhaust system design, which creates low-frequency noise resonance at specific speeds (e.g., 60-80 km/h), compounded by aging engine mounts that increase vibration transmission. Poor body sealing also allows sound to more easily enter the cabin, especially in areas like the trunk where soundproofing may be inadequate. Low-frequency sound waves (20-100 Hz) happen to match the resonant frequency of the eardrum, and prolonged exposure can irritate the inner ear, causing discomfort or even temporary tinnitus. I recommend first checking if the exhaust pipe mounting points are loose or adding sound-absorbing materials to dampen vibrations. Many owners have improved their driving experience by addressing these minor issues. Reducing such noise while driving safely is crucial—don't ignore early symptoms. Getting a comprehensive vibration test at a professional shop promptly can save a lot of hassle.
