then step down to lower frequencies when larger specimens are the target and you want deeper penetration through caliche layers

5mm jack to the DEUS II remote control

If you're not satisfied

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monoloop & SEF upgrades to compare alternatives across brands and sizes

XP MI-4 Pinpointer Replacement Circuit Board simultaneous-frequency then step down to lowerWhen your XP MI 4 pinpointer stops responding or shows erratic behavior, the circuit board is often the culprit. This official replacement circuit board restores your MI 4 to factory specifications, getting you back to precise target recovery without buying a whole new pinpointer. Key Features Official XP replacement part designed specifically for the MI 4 pinpointer Restores full functionality to malfunctioning MI 4 units Includes battery connection