main menu  >>  Products  >>  Silencers and acoustic chambers Acoustic Chambers Acoustic chambers for lowering the noise level of high-pressure blowers, vacuum pumps, and superchargers. Round Silencers Silencers for installation at the entrance and output of blowers and fans to reduce the noise level by up to 35 decibels. Reactive Silencers Silencers specially designed for low frequencies where regular silencers are inefficient. Rectangular Silencers Silencer with internal partitions for installation on the input and output of blowers and fans to reduce the noise level by up to 40 decibels.