Acoustics sound attenuator in Empire is manufactured by a number of companies. These products are used to prevent transmittance of mechanical or air sourced noise. Acoustics sound attenuators are usually used in HVAC (heating, ventilation, and air conditioning) systems. Selection of acoustics sound attenuator is usually done by acoustical consultants, consulting engineers, owners and contractors. Acoustics sound attenuators feature splitters of high absorbing capacity. These splitters are made from stainless or galvanized steel. Some of the sound attenuators are custom built to meet the design requirements of the client. These products can be found in hospitals, hotels, universities, airports to name a few.