Features: This vibrating plate precisely 6.5inch mounting holes, enabling seamless replacement of stock car auditory speakers, or home theater systems with similarly sized diaphragms. Not require additional adapters—simply install for instantly sound quality upgrades, saving time and effort. Featuring a high strength composite diaphragm that combines rigidity with elasticity for precise vibrating response. The mounting hole design ensures strong compatibility with mainstream loudspeaker frames, factory auditory brackets, and other devices. The diaphragm and frame are bonded using precise adhesive technology, delivering exceptionally stability during vibrating and resisting deformation or loosening over extended use. Specifications: Component： Rubber edges + iron plate Size: 6.5inch Color: Black Package Includes: 1PC 605in loudspeaker Diaphragm vibrating Plate note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.