WXDX-FM or 105.9 The X is a rock alternative radio station based in Pittsburgh, Pennsylvania.

105.9 The X is the radio station to tune in when you want to hear the best rock alternative hits.

The station is also the home of the professional hockey team The Pittsburgh Penguins.

• Edge of the X
• The X Morning Show
• Abby

• Abby
• Whip
• Mark Madden
• Stacy
• Bob McLaughlin
• Klinger