I have inquiry about the connection to lifesmart system

In the building there's 3 floors each have the following specification and arrangement:

ground floor: 6 speakers 6w separated into two zone   

first floor : 6 speakers 6w separated into two zone   

Second floor: 6 speakers 20w separated into two zone   

i want the starting point to be in the ground floor and have the ability to control each zone by its own

can you suggest to me the Amp that follow the requirement listed and the needed quantity ?

moreover , I need info of the supplier that is affiliated to your company in ksa or MENA region

thanks in advance     

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