We are a Ground-Shaker authorized dealer so you get up-to-date, fully warrantied products.
Black 12" Dual Sealed L7T Sub Box, Fits 14-18 GMC Sierra Crew-Cab
| Brand | Ground-Shaker |
| CUTOUT DIAMETER | 11 1/8" |
| AIR VOLUME | 1.45 CUBIC FT^3 |
| NO OF CHAMBERS | 2 INDIVIDUAL CHAMBERS |
| VOLUME PER SUBWOOFER | 0.73 CUBIC FT^3 |
| WEIGHT | 43 LBS. |
| MOUNTING DEPTH | 6 1/2" |
| HEIGHT | 8" |
| LENGTH | 49 1/2" |
| DEPTH | 16" |
| MATERIAL 1 | 5/8" HIGH DENSITY MDF WOOD |
| MATERIAL 2 | CARPETED WITH DURABLE TRUNK LINER FINISH |
| MATERIAL 3 | SEALED WITH HIGH QUALITY TITEBOND SILICONE |
| MATERIAL 4 | GLUED WITH HIGH QUALITY TITEBOND WOOD GLUE |
| MATERIAL 5 | 2 BINDING POST TERMINALS |
| COMPATIBILITY 1 | FITS UNDER THE REAR SEAT |
| COMPATIBILITY 2 | DOWN FIRING |
| ENCLOSURE TYPE | SEALED |
| BOX TYPE | WITHOUT SUBWOOFER |
| NUMBER OF SUBWOOFERS | 2 |
| SUBWOOFER SIZE | 12 |
| VEHICLE MAKE | GMC SIERRA CREW-CAB |
