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 4 DD Audio 9900 15s
Tuned to 33HZ
Outside Dimensions- 24H x 48W x 48D
Enclosure is Based on Reccomended Manufature Specs
*May work for other 15" woofers, user caution advised*