The £15m summer signing has already bagged two goals in as many games.
And Ings says Adams is a great addition to the Saints squad.
Speaking to the Daily Echo, Ings said: "It's been really good.
"He very strong, both mentally and physically. He is a great addition.
"He gives us something different and he is already scoring goals in pre-season.
"It can only be a positive for us moving forward."