1. Background: A bar in Guangzhou has repeatedly received complaints due to low-frequency noise disturbing residents, and the internal sound effect is muddy.![]()
2. Solution:
① Walls: Some walls are decorated with grille-style wooden sound-absorbing panels to enhance their appearance, while other walls are covered with perforated leather sound-absorbing materials
② Ceiling: Polyester fiber sound-absorbing board + concealed acoustic structure![]()
3. Completion effect:
The external noise transmission loss reaches 35dB, without complaints from residents.
② The internal music clarity has been enhanced, the decoration has become more beautiful, and the customer flow has increased by 40%.![]()
Double optimization of sound insulation and sound quality in bars
January 7, 2026

