The 15 kHz operating frequency balances sensitivity to small targets like gold rings and silver dimes with adequate depth on larger coins and relics

users who need three magnets for heavy iron-trash environments

The INV28's DD field pattern rejects ground minerals and isolates individual targets in iron-heavy turf where pull-tabs and bottle caps cluster around benches and playground edges

Iron Audio for complex ferrous objects

We've hunted Arizona caliche

Silicon Rubber Control Box Covers for Minelab GPX Series Metal Detectors - Gray dd-fc-technology The 15 kHz operating frequencyDetector protectors flexi silicone rubber control box covers are made to suit the Minelab GPX series metal detectors; GPX 4500, GPX 4800, GPX 5000. Dectector Protectors Silicon Rubber Control Box Covers for Minelab GPX Series metal detectors. Detector protectors flexi silicone rubber control box covers are made to suit the Minelab GPX series metal detectors. These covers give true protection against the elements, resist water and rain, mud and rocks,