Two 25mm Titanium Dome Tweeters</br>In-Line Crossover</br>Mounting Hardware for Flush or Angle Mounts</br>Adds High Frequencies to Your Overall System</br></br>Product Description</br></br>Maxxsonics DT1-25 - 1" Discus Series. Two 25 mm Titanium Dome Tweeters with mounting hardware included.</br><br/>http://www.amazon.com/gp/product/B00ZXAY526