2019 Subwoofer specs. | 2014+ Jeep Cherokee ForumsThe 2019 Jeep Cherokee typically uses large 6x9" speakers in the front and rear doors, with smaller 3-1/2" speakers in the center and corner dash locations, while high-end Alpine systems add a 3-1/2" dash speaker and a rear subwoofer. Aftermarket replacements often fit these sizes (6x9", 3.5"), though some door speakers can be replaced with 6.5" or 5.25" models using adapters. Speaker Sizes by Location: Front Doors: 6x9" Rear Doors: 6x9" Center Dash: 3-1/2" (standard/Alpine) Corner Dash: 3-1/2" (all models) Alpine System (Optional): Adds a 3-1/2" center dash speaker and a rear subwoofer.