Touba is a well-known pilgrim metropolis in the West African state of Senegal. With over 750,000 inhabitants, Touba is the third largest Senegalese city after Pikine and Dakar.
The Great Mosque of Touba is the largest building in the city and, with a capacity of 7,000, it is one of the busiest mosques in Africa.
The floor and walls of the mosque are made of the most precious marble, which presented an acoustic challenge. The mosque was equipped with 35 powerful Pan Beam line array speakers to ensure the best possible sound quality for visitors.