How Earbuds Stay Sealed During a Commute
How Earbuds Stay Sealed During a Commute
The fit between the ear tip and the ear canal affects bass, noise reduction and comfort.
A suitable tip creates a stable seal without needing excessive pressure. If the tip moves when a listener talks or walks, outside sound can enter and low frequencies can weaken.
Left and right ears can need different tip sizes. A tip that seals in a quiet room may shift during movement, and a tight fit can become tiring after a longer session.
Compare the fit while walking and speaking, then listen again with noise cancellation turned off. That separates the seal's contribution from the processing.