Groundtech A2 GEO 3D Ground Scanner & Metal Detector Explorer open-back headphone for a specific

open-back headphone for a specific reason: the GPZ 8000's Echo Sonic Pro™ audio sends distinct signal components to each ear

The lower shaft and search coil are fully submersible

Lithium batteries

and the turn-on-and-go operation means no ground balancing every time the bottom shifts from sand to clay

High-frequency capability extends to 45 kHz

Groundtech A2 GEO 3D Ground Scanner & Metal Detector Explorer open-back headphone for a specificThe Groundtech A2 GEO is a 3 in 1 professional geophysical system for advanced archaeologists, utility locators, and serious treasure hunters. It combines a deep seeking 3D ground scanner, an integrated 1 kHz pulse induction metal detector, and a Geo Electric resistivity system in a single compact field instrument. With next generation MFS 3 dual sensors reaching depths of up to 65 feet (20 meters), the A2 GEO locates buried metals, tombs, tunnels,