Operates at 71 kHz, the highest sensitivity for tiny sub-gram flakes. Garrett Axiom
Small coils (6–8") are better for sensitivity and navigating rocky areas, while large coils (11" +) provide more depth and ground coverage.
Ensure the unit has at least a waterproof search coil for hunting in creeks. If you plan to submerge the whole unit, verify it has an IP68 rating. Where to Buy Safely buy gold detector
Uses ZVT technology to find gold up to 40% deeper than previous PI machines. Fisher Gold Bug II
Lightweight PI performance designed for extreme mineralization. Nokta Gold Kruzer 61 kHz high-frequency and fully waterproof up to 16 feet. Choosing the Right Technology Operates at 71 kHz, the highest sensitivity for
Adaptable technology that runs multiple frequencies at once, making it the most versatile for users who hunt for coins and relics as well as gold. Essential Features to Look For
Fully automatic ground balance and "turn-on-and-go" simplicity. Minelab GPZ 7000 If you plan to submerge the whole unit,
Simultaneous multi-frequency (SMF) for gold, coins, and relics. Minelab Gold Monster 1000