The works covered the process from the design to the final start-up of the AV system in the conference, banquet and fitness complex...The training complex includes seventeen conference rooms located on two levels and a recreational fitness complex. The design and implementation included a video presentation and sound reproduction systems, as well as an integrated control system. The projection systems were mostly based on multimedia projectors placed on lifts extended from the ceilings and screens installed in ceiling cassettes. Depending on the requirements of individual rooms, the projectors offer a projection area with a base from 2.8 m to 6 m and brightness from 3100 to 8500 ANSI lumens. The audio system is based on 100 V ceiling speakers. Using DSP processors allowed for achieving very good performance parameters of the audio system. The whole infrastructure is complemented by a control system, which allows for a convenient and quick access to configuration and performance functions from individual rooms and superordinate devices. Thanks to the efforts of our engineers, a very high level of performance value of the implemented solution was achieved.