Rockford Fosgate T3S1-19 Motorcycle Speakers The “P” (ported) version is

The “P” (ported) version is designed for ported enclosures and work best in open-air environments (convertible)

Requires minimal drilling of two screw holes on existing embossed screw markers

Our Stealthbox® for the Quad Cab® neatly negotiates these challenges and tucks under the rear seat

Will not fit Crew Cab or Standard Cab trucks

Rockford Fosgate T3S1-19 Motorcycle Speakers The “P” (ported) version isThe Power T3S1 19 superwoofer has a whopping 19 inches of effective radiating cone area for deep bass and features a single 1 Ohm voice coil for easy wiring. This is the largest, most powerful loudspeaker Rockford Fosgate has ever built! The Power T3S1 19 can rightfully be classified as a superwoofer due to its whopping 19 inches of effective radiating cone area! That's right we don't need no stinkin' 18" subs this is for genuine Car Audio Fanatics