Speaker Sizes for standard SS and anyone do remaps?



Anyone body know the speaker sizes for a audi a7 2015 basic sound system not sure how many speakers there are but i got
2 tweeters in front and right
centre dash speaker
2 front door
2 read door
sub in boot
not sure what others there are i could have a look tomorrow but if anyone knows the sizes for the mains such as the front and rear doors and any others that match their sizes in the rear.

I hear its 10 speakers in total?

Also any re mappers around the London area? that don't cost a kidney and part of your liver?