Watch about the new all terrain, multi-purpose metal detector- The Minelab Equinox! They are simultaneous multi frequency, lightweight, fast response time and waterproof! These been designed for the serious coin & treasure enthusiast looking to upgrade to a high performance detector!
There are two machines (600 & 800 models) for $649 and $899!
See more on the Equinox 600: more on the Equinox 800: