I bought the A40+ and have played a couple of hours with it. This ball should be manufactured for Butterfly by DHS, its plays almost exactly the same as the DHS D40+. On a drop test from the same height when comparing the A40+ to the D40+, the first couple of bounces are almost indentical. But the Dhs stops bouncing earlier while you may get 1 or 2 more bounces from the A40+. While in play the A40+ feels a tad lighter but if you mixed up the balls, you may not even know the difference. I suspect that Dhs adjusted the specifications for Butterfly to make the ball feel a tad lighter and have a bit more spin. Overall the A40+ is a very good ball, its pretty much a rebranded Dhs D40+.
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