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ProLine-X Releases Ground Zero Subwoofer Boxes

DANIA BEACH, FL. - HKI USA is proud to announce an amazing new partnership with ProLine-X (Vacaville CA) for subwoofer specific enclosures to help deliver a better overall experience to our retailers and their clients.

Proline-X does things very differently when it comes to building “pre-fab” enclosures by taking away the simplicity of mass market products, and focuses on using the highest quality materials, the best construction methods, and proper design and tuning of their enclosures. “Our goal here is to offer dealers a true solution that has the performance and quality necessary to reinforce Ground Zero subwoofers’ ability to play strong, deep, and accurate bass” says Robert Reilly of HKI USA, who spear headed this project with the Proline-X. 

While Proline-X is not new to the enclosure game, this partnership is the first manufacturer recommended enclosure line to be available nationwide, and Ground Zero is extremely proud to be able to point their dealers in the right direction. There will be available enclosures paired to the entry level Iridium lines up through the widely loved Hydrogen line. Starting with a more traditional universal style and fit, who knows where this could lead and what awesome products could be brought to the table in the future.

For more information on the enclosures, and how to become a dealer, please contact For more information about the subwoofers in question and all other GZ products, please visit For information on becoming a GZ Dealer, please visit

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