Can't provide input on the leviton, but curious why you didn't go with the Axiom Algonquin outdoor speakers for the deck? They are cheaper, better performing than the T2's (they are like M3's), and can withstand outdoor conditions, even frigid temps.

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85