Australia speeding provide professional acoustical engineering, noise barriers damping pad, ktv, bar, shaking it slowly, noise barriers damping pad factory direct, wholesale price to sell the engine room plant-specific noise barriers damping pad, professional and technical support for a variety of entertainment, the engine room plant noisy places such as machinery and equipment noise control engineering, acoustical engineers 24 hours free consultation 400-001-1975, customers on the service for the quality of the 
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 The disco bar is generally located in the downtown neighborhood the bottom of the building, operating peak is exactly the time people need a break, the infinite distress and annoyance to residents and business operators. Henan Australia speeding Technology Co., Ltd. has many years of experience in acoustical, independently developed a number of special products for high-strength low-frequency noise and construction process to ensure that noise and vibration control within a limited budget, the new standards within the State Environmental Protection. 
 Disco playing music commonly used high-power subwoofer speaker driver, it release the volume up to about 105 ~ 125dB (A), and basic low-frequency band, 63 to 125 Hz, this low-frequency sound waves penetrate the ability transmission distance, low-attenuation coefficient, usually through the column along the wall, upload to the roof of each floor tenants, the sound of the ground floor have direct access to the building of more than 30. 
 Diba such noise characteristics is very difficult to control, first, low frequency sound waves have a strong ability to penetrate, difficult to offset the wavelength of the desired thickness of the anechoic chamber in the architectural design and decorative design; two per bars hall is a six-icosahedron, the need to control the scope is too large, the damping of a surface is difficult to achieve in a single ground, and sound reduction, bars because there is no shock effect and loss of customers. 
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