The TGI Friday’s restaurant is a large two-level facility. Considering the number of rooms of different purpose, the sound system includes several speaker zones. An appropriate amplifier, located behind the bar counter, allows for independent control of sound level at the two restaurant halls, at the bar, toilets and in the kitchen. This allows the staff to adjust the sound level to the current situation in the restaurant. During the design of the sound system, we took into consideration assurance of maximum customer comfort. This was achieved by appropriate selection of ceiling speakers and their distribution.