We are a Ground-Shaker authorized dealer so you get up-to-date, fully warrantied products.
Black 8" Dual Ported Sub Box, Fits 14-18 GMC Sierra Crew-Cab
| Brand | Ground-Shaker |
| NOTE: | NEED A CUSTOM CUTOUT (GIVE US A CALL) |
| CUTOUT DIAMETER | 7 1/8" |
| AIR VOLUME | 1.76 FT3 |
| TUNING FREQUENCY | 34Hz |
| 1 PORT | DIMENSIONS: 4" X 13 1/2" |
| WEIGHT | 49 LBS. |
| MOUNTING DEPTH | 6 1/4" |
| FRONT HEIGHT | 9 1/4" |
| REAR HEIGHT | 6 1/2" |
| LENGTH | 49" |
| DEPTH | 13 1/4" |
| MATERIAL 1 | 3/4" HIGH QUALITY MDF WOOD |
| MATERIAL 2 | CARPETED WITH DURABLE TRUNK LINER FINISH |
| MATERIAL 3 | SEALED WITH HIGH QUALITY SILICONE |
| MATERIAL 4 | 2 SPRING LOADED TERMINALS |
| COMPATIBILITY 1 | SEAT WILL NOT GO DOWN TO FACTORY HEIGHT |
| COMPATIBILITY 2 | FITS UNDER REAR SEAT |
| COMPATIBILITY 3 | FRONT FIRING |
| ENCLOSURE TYPE | PORTED |
| BOX TYPE | WITHOUT SUBWOOFER |
| NUMBER OF SUBWOOFERS | 2 |
| SUBWOOFER SIZE | 8 |
| VEHICLE MAKE | GMC SIERRA CREW-CAB |
