Why Head Graphene XT Speed MP has two Power level?

Why Head Graphene XT Speed MP has two Power level?
In Tennis-warehouse website, Head Graphene XT Speed MP Power level was low-medium, but In Tennis warehouse Europe website was low. Please help Thanks
 

Sander001

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Why Head Graphene XT Speed MP has two Power level?
In Tennis-warehouse website, Head Graphene XT Speed MP Power level was low-medium, but In Tennis warehouse Europe website was low. Please help Thanks
Try before you buy.

I think because Europe has a more efficient and cleaner energy, using more nuclear power so the racquet's power level isn't that impressive. But in North America, where more fossil energy is used, the racquet makes a bigger impact on the electrical grid.
 
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