That diagram is pure marketing nonsense. The real chart is on page 10 of their paper[1]. It shows a modest ~3dB less attenuation around 800Hz across several bra

That diagram is pure marketing nonsense. The real chart is on page 10 of their paper[1]. It shows a modest ~3dB less attenuation around 800Hz across several brands. [1] https://cdn.skoda-storyboard.com/2026/04/Skoda-DuoBell-Research-final_cf127752.pdf https://cdn.skoda-storyboard.com/2026/04/Skoda-DuoBell-Resea...