The concentric design keeps your signal focused directly under the center

iron discrimination set between 25 and 35

Lithium 9V batteries push that closer to the upper end of the range

XP Deus compatibility works seamlessly with your existing detector setup

Garrett AT Max

DetectorPro Ultimate Gray Ghost Platinum Series Headphones with 1/4" Angle Plug 500ma-output The concentric design keeps yourDetectorPro Ultimate Gray Ghost Platinum Series Signal Limiting Headphones with 1 4" Angle Plug. The DetectorPro Platinum Series is an upgrade of most of their popular headphone models. The upgrade involves the addition of new, high end, crystal clear sounding speakers. These heavy duty headphones provide greater sensitivity to tiny targets, and more raw power at full volume. Also backed by a limited lifetime warranty. This is one headphone you have