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Environmental sound systems

Aimed at providing environmental music, calls and announcements with comfort and quality. This type of system is very common in shopping malls, schools, stores, supermarkets, airports, bus station terminals, movie theaters and commercial buildings.
It is basically formed by loudspeakers, bugles, acoustic amplifier, microphone, amplifier, pre-amplifier, CD player, AM/FM tuner, electronic gong, mixer, etc.