Fisher Gold Bug Metal Detectors

The Fisher Gold Bug is the detector that put affordable gold prospecting in reach: a 19 kHz machine tuned to find the small, low-conductivity nuggets and flakes that ordinary coin detectors miss, with computerized Ground Grab balancing to stay stable in the iron-rich, mineralized soils where placer gold hides. This is the Gold Bug hub: the original Gold Bug and the deeper-reaching Gold Bug DP live here, and you can jump straight to the Gold Bug Pro and the ultra-sensitive 71 kHz Gold Bug 2 from the links below. As an authorized Fisher dealer, every Gold Bug ships genuine with Fisher's 2-year warranty, and most orders of $99 or more ship free in the lower 48.

The Fisher Gold Bug Family: 19 kHz Gold & Relic Detectors

Fisher has built detectors in the USA since 1931, and the Gold Bug is its dedicated gold-prospecting and relic line. The reason it works where coin machines don't comes down to frequency: standard detectors run 6–13 kHz, optimized for high-conductivity coins, and a fraction-of-a-gram gold nugget barely registers. At 19 kHz the Gold Bug's field reacts far more strongly with small, low-conductivity targets, so faint gold turns into a signal you can act on instead of noise you'd dismiss. Computerized Ground Grab balancing tames mineralized ground so you can run the gain high and stay sensitive to tiny shallow targets. It's also light and simple: a machine a first-time prospector can learn fast and an experienced one will keep using. Comparing every gold-capable machine we carry? See the full gold detectors collection.

The Gold Bug Lineup, Explained

We carry four Gold Bug machines, and choosing between them is mostly about frequency and coil. The original Gold Bug runs 19 kHz with a small 5″ DD coil that fits into bedrock crevices and averages a tiny ground footprint for the hottest soils, the specialist's nugget-shooter. The Gold Bug DP ("Deep Penetrating") takes the same 19 kHz platform but ships an 11″ elliptical coil for more depth and ground coverage, making it a true multi-purpose detector for gold, relics, and coins alike. Stepping sideways, the Gold Bug Pro adds a Ground Phase readout that displays the actual soil-mineralization number, giving you more precise manual control on hot or variable ground. And at the top for pure gold sensitivity, the Gold Bug 2 jumps to 71 kHz, Fisher's highest-frequency gold machine, built to hear the tiniest sub-gram nuggets that even the 19 kHz models can miss.

What the Gold Bug Does Best: Small Gold in Mineralized Ground

The Gold Bug earns its name in the dry washes, creek banks, and iron-saturated soils of gold country, where its 19 kHz frequency and fast computerized ground balance let it pull faint nugget signals out of constant ground noise. It's not only a prospecting tool, though: the same sensitivity to small, low-conductivity targets makes it a strong relic machine for buttons, bullets, and brass on iron-heavy historic sites, and it'll shoot coins too. Run it in All Metal for maximum depth on gold, or switch to Discrimination with notch rejection to filter iron and foil on trashy ground. Pair it with a pinpointer to speed recovery in bedrock cracks and deep gravel.

Coils for the Fisher Gold Bug

The Gold Bug accepts a range of coils so you can match the tool to the ground. The included 5″ DD is the crevice-and-hot-ground specialist; step up to the 10″ biaxial DD coil or the 11″ biaxial DD coil for more depth and coverage, or the big CORS Cannon 14.5″ × 10.5″ DD coil to maximize ground coverage and depth on open sites. Keep a spare lower rod on hand, and grab the free Fisher Gold Bug digital manual.

Why Buy Your Fisher Gold Bug from Serious Detecting

We're an authorized Fisher Research Labs dealer, so every Gold Bug ships with the complete factory package and the full 2-year Fisher warranty. Our team runs the Gold Bug and Gold Bug Pro in the field, so when you call with a ground-balance question on your first prospecting trip, you reach someone who's used the machine in the kind of ground you're hunting. Orders of $99 or more ship free in the lower 48, local pickup is available out of Michigan, and thousands of verified buyers have rated us 4.9 stars. Not sure whether the Gold Bug, the DP, the Pro, or the Gold Bug 2 fits your prospecting? Tell us where you hunt and how small the gold runs, and we'll match it.

Customer Questions & Expert Answers

Get real answers from outdoor explorers and our product experts. Browse questions about performance, features, and setup —or ask your own to make sure this gear fits your next adventure.

Should I buy the Fisher Gold Bug or the Gold Bug Pro?

Whether you should buy the Fisher Gold Bug or the Gold Bug Pro comes down to how much ground-balance control you want, since both run 19 kHz with computerized Ground Grab balancing and find the same small gold. The Gold Bug Pro adds a Ground Phase readout that shows the actual mineralization number on the display, giving you more precise manual ground balance on hot or variable soil, while the standard Gold Bug keeps things simpler. If you hunt consistently mineralized ground and want fine manual control, the Pro is the upgrade; otherwise the standard Gold Bug is the easier place to start.

Answered by Dan P. · June 2026

What's the difference between the Fisher Gold Bug and the Gold Bug 2?

The difference between the Fisher Gold Bug and the Gold Bug 2 is frequency: the Gold Bug runs 19 kHz, which balances gold sensitivity with versatility for relics and coins, while the Gold Bug 2 runs 71 kHz, trading some versatility for extreme sensitivity to the smallest gold nuggets. That makes the Gold Bug 2 a dedicated prospecting machine for the tiniest targets. Choose the Gold Bug for an all-around gold-and-relic detector and the Gold Bug 2 for maximum micro-gold sensitivity, or compare both with the rest of our gold detectors.

Answered by John W. · June 2026

What is the Fisher Gold Bug DP?

The Fisher Gold Bug DP ("Deep Penetrating") is a 19 kHz Gold Bug-family detector shipped with a larger 11-inch elliptical DD search coil instead of the small 5-inch coil. The bigger coil adds depth and ground coverage, making the DP a more general-purpose detector that's strong on gold, relics, and coins, while the 5-inch coil on the standard Gold Bug specializes in tight, hot-ground nugget hunting.

Answered by Richard T. · June 2026

Is the Fisher Gold Bug good for beginners?

Yes, the Fisher Gold Bug is good for beginners: it has a simple interface with just the controls that matter (gain, discrimination, and a one-button Ground Grab balance), so a new prospector can be hunting in minutes, while the 19 kHz performance and adjustable settings give room to grow. It's a common first dedicated gold detector, and our getting started guide covers the basics.

Answered by Dan P. · June 2026

Is the Fisher Gold Bug waterproof?

No, the Fisher Gold Bug is not fully waterproof: the search coil is waterproof for working creek edges and shallow riffles, but the control housing is not rated for submersion, so keep it above the waterline. It's a land-and-edge prospecting machine rather than an underwater detector, so if you need to hunt in the water, see our waterproof metal detectors.

Answered by John W. · June 2026

What coils fit the Fisher Gold Bug?

The coils that fit the Fisher Gold Bug include the 5-inch DD that comes on the base model, the 10-inch and 11-inch biaxial DD coils for more depth, and large aftermarket coils like the CORS Cannon for maximum coverage. The 10-inch coil also fits the Fisher F5 and the Gold Bug Pro. All are stocked here, and you can browse more options in our search coils collection.

Answered by Richard T. · June 2026

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