The Rockford Fosgate TMS series of motorcycle speakers solve that problem. The TMS69 is a full range coaxial speaker designed to fit bag lid speaker locations made for 6x9 size speakers on Motorcycles.
It features a Neodymium motor structure driving a reinforced polypropylene cone with Santoprene surround. Highs are produced by an ultra-efficient 25 mm dome tweeter with integrated phase plug and is made water/weather resistant with the addition of a Santoprene front isolation spider connecting between the tweeter housing and cone assembly. Ultra-Efficient Neodymium Dual Magnet Motor Structure
Element ready design that is weather and water resistant Carbon-Fiber Re-Inforced Polypropylene cone
Santoprene VAST surround
Co-Molded cone and surround
Poly-Cotton spider
Santoprene front isolation spider
High power 35 mm Voice-coil
Ultra-high temperature glass Re-Inforced Polymer frame
Integrated Spade Terminals
Integrated 6dB crossover with High Power Polyester Capacitor
Ultra-Efficient 25 mm Proprietary Film Dome Tweeter
Neodymium Tweeter with integrated Phase Plug and ASA Grill
Low Profile Coaxial Tweeter design
Discreet, hidden Tweeter wire
Two Year Standard Warranty