How many microphones are in our room?

London:

This varies on the size of the room with a minimum of two and a maximum of four, with the option to plug in two extra microphones in each room.

Paris/Bordeaux:

It depends on the size of the room. There is a minimum of two and a maximum of four, with the possibility of connecting two additional microphones in each room.

Madrid:
It depends on the size of the room. There is a minimum of 2 and a maximum of 4 microphones, with the option to connect 2 more via cable.