Amp Research 75137-01A Diamond Audio HEX Speakers if you weren’t satisfied and

if you weren’t satisfied and wanted better sound

and amplified sound systems

Lifecycle testing pushes each product to its limits

2007 - 2010 MKX

Top Mounted Controls for Convenient Amplifier Adjustment

Amp Research 75137-01A Diamond Audio HEX Speakers if you weren’t satisfied andDescription: AMP Research invented the PowerStep, the automatic, electric powered running board that instantly extends when you open your door, and retracts out of sight when the doors close for improved ground clearance, aerodynamics and appearance. Its sleek design, all weather performance and legendary reliability set the industry standard. PowerStep has die cast aluminum alloy components and precision stainless steel pivot pins for rock solid