It Works! And Sounds Great!!!
The easy and safe answer to improve sound quality from any speaker. Speaker Pro works by spraying a mist of a newly Patented formula onto the speaker cone that "strengthens and firms the speaker cone" which in turn reduces distortion. After application, the sound is crisp and clear improving the performance of your speaker, and producing the finest quality sound capable form your stereo speaker system. Spray through speaker grill for easy application.

You Can't Believe it?

Home, Auto, or Boat
Use every 2-3 months for optimum performance.