Can be trimmed for better bass response</br>Durable ABS plastic construction</br>Creates a tight?? acoustic seal behind the speaker to enhance the sound quality</br>Protects the back of the speaker from the elements</br>Mounting Depth: 3-Inch</br>Factory speaker opening must be 6-1/2 inch</br></br>Product Description</br></br>Universal speaker baffle 5 1/4 and 6 1/2</br><br/>http://www.amazon.com/gp/product/B0047XQN4I