There's buzz in the air and it's surrounding the new Titleist 915 family of drivers.

Titleist is again using the Quicken Loans National -- formerly known as the AT&T National -- to unveil a new club to its rather large, talented and specific Research & Development department -- the PGA Tour.

In 2012, the 913 Driver was introduced at the event and last year, PGA Tour pros handled the 714 irons for the first time in game action.

This week, the golf world will get to see the long-awaited 915 driver.

According to Golfweek's David Dusek, the big change from the 913 to 915 models is the new channel in the club's sole. The Active Recoil Channel works to add flex at impact, allowing ball speed to increase.

Also according to Golfweek, the adjustable hosel and weight remain from the 913s.

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