We are a Ground-Shaker authorized dealer so you get up-to-date, fully warrantied products.
Ground-Shaker NPKK28B 8" Dual Solo-Baric Center-Ported Sub Box
| Brand | Ground-Shaker |
| CUTOUT DIAMETER | 7 3/8" |
| AIR VOLUME | 1.46 FT3 |
| TUNING FREQUENCY | 37Hz |
| NO OF PORT | 2 SLOT PORTS |
| DIMENSIONS | H8" W1 1/8" L21" |
| SUB BOX WEIGHT | 35 LBS. |
| MOUNTING DEPTH | 12" |
| HEIGHT | 9 3/4" |
| LENGTH | 29" |
| DEPTH | 15 1/4" |
| MATERIAL 1 | 5/8" HIGH QUALITY 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 SPRING LOADED TERMINALS |
| ENCLOSURE TYPE | PORTED |
| NUMBER OF SUBWOOFERS | 2 |
| SUBWOOFER SIZE | 8 INCH |
| Parts Warranty | 1 Year |
| Labor Warranty | 1 Year |
