Beside the project supporting activities, based on the same product range, we contribute with conference and other event organizers as rental partner. Among the electro-acoustical range, our company traditionally deals with acoustic-affected complementary products. On one hand that devices are in connection with the conference locations, and on the other hand they fulfil unique demands of special industrial circumstances. In both applications the expected requirement realizing a closed working environment, where isolating the auxiliary noises is a very important demand.