HDX Series Speakers. The speakers that are built to keep up! With these HDX series speakers, we achieved that. With a 3.5" Midrange, 5.25" Coaxial, 5x7" Coaxial 6.5" Coaxial, and of course, the beefy 6x9" Coaxial; you have a variety of options to achieve this upgraded sound with.
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