This bundle includes a JBL Stage3627AM Stage3 6-1/2" Two-Way Car Audio Speaker with Grills, Memphis Audio OEMBKT60 Vehicle Specific 6 1/2" Speaker Adaptors, and a Metra 72-4568 Speaker Wiring Harness for select 1988-up GM vehicles. The JBL Stage3 speakers feature a 6-1/2" 2-way coaxial design with 45Wrms power handling and 225W peak power. They offer a sensitivity of 92dB, a frequency response of 55Hz – 20kHz, and an impedance of 3ohms. Plus, they come with grilles, screws, and speed clips for easy installation. The Memphis Audio OEMBKT60 brackets are made from high-grade polypropylene and are designed to fit all Memphis Audio 6.5" and 6x9" speakers. They feature removable tabs for multiple vehicles, gapless fit design, and provide a secure, long-lasting fit. The brackets support 6x9" and oversized 6.5" options and fit various vehicle models such as Buick, Cadillac, Chevrolet, GMC, Dodge, Ford, and more. Lastly, the Metra 72-4568 Speaker Wiring Harness is tailored for select 1988-up GM vehicles, ensuring a hassle-free installation experience. Overall, this bundle offers superior sound performance, precise fitment, and convenience, making it an ideal choice for upgrading your car audio system.