Included- 
Downloadable Zip File

Multiple 3-D Rendering Images 
Specs sheet W/ Subwoofer and Enclosure Specs 
Professional Optimized Cut Sheet W/Parts List

Designed for Fi Audio BTL-4 15"
Tuned to 33HZ
Outside Dimensions- 16H x 34W x 24D

Enclosure is Based on Reccomended Manufature Specs

*May work for other 15" woofers, user caution advised*
 

Fi Audio BTL-4 15" Sub and Port Forward Design

$5.00Price