What the Gold Bug Pro Adds Over the Standard Gold Bug
Both the standard Gold Bug and the Gold Bug Pro run the same 19 kHz frequency and computerized Ground Grab balancing, so they find the same small gold. The Pro's advantage is information: its continuous ground condition readout shows the Ground Phase value and an Fe3O4 mineralization graphic in real time, so you can see exactly how hot the ground is and fine-tune manual ground balance for it — a real edge in variable, heavily mineralized soil where the ground changes from one swing to the next. Add the V-Break variable breakpoint tone discrimination system, which lets you notch out iron while keeping mid-conductors like brass and lead in the accept zone, and the Pro becomes a precise tool for both nugget shooting and relic hunting on trashy ground.
Gold Bug Pro Specs & Features
- Operating frequency: 19 kHz (single-frequency VLF)
- Weight: ~2.5 lbs (low-fatigue, well balanced)
- Ground balance: Ground Grab® computerized, real-time, with manual fine-tune
- Ground readouts: continuous Ground Phase value + Fe3O4 mineralization graphic
- Discrimination: V-Break variable breakpoint tone system
- Audio: VCO in All Metal and Discrimination modes; dual headphone jacks
- Target ID: 1–99 numeric on a large LCD
- Pinpoint: static, with depth indicator
- Power: 9V battery
- Warranty: 2 years (current Fisher warranty term)
The Dual-Coil Combo: 5″ for Crevices, 10″ for Coverage
The Gold Bug Pro combo ships with two coils so one detector handles two very different jobs. The small 5″ biaxial coil has a tight footprint that reduces ground noise in the hottest soil and slips into bedrock cracks and tight spaces between boulders where small nuggets hide. The 10″ elliptical coil covers ground quickly across open washes, tailings, and farm fields, and adds depth on larger relics and coins. Switching between them turns the Pro from a specialist crevice machine into a general-purpose prospecting and relic detector — which is exactly why the combo is the most popular way to buy it.
Coils & Accessories for the Gold Bug Pro
Need a spare or replacement coil? The 10″ biaxial DD coil fits the Gold Bug Pro (as well as the Gold Bug and Fisher F5) and gives you depth and ground coverage in a single coil. And the Fisher Gold Bug Pro digital manual is a free download, so you can study the ground-balance and discrimination controls before your first hunt. Comparing the Pro against the rest of the family or other gold machines? See the Gold Bug family and our full gold detectors collection.
Fisher Gold Bug Pro FAQs
What's the difference between the Gold Bug and the Gold Bug Pro?
Both run 19 kHz and find the same small gold. The Gold Bug Pro adds a Ground Phase readout and Fe3O4 mineralization graphic that show the actual soil conditions in real time, giving you more precise manual ground balance on hot or variable ground, and it's commonly sold as a dual-coil combo. The base Gold Bug is simpler and a touch more affordable.
How does the Gold Bug Pro compare to the Gold Bug 2?
Frequency and focus. The Gold Bug Pro runs 19 kHz, balancing gold sensitivity with versatility for relics and coins. The Gold Bug 2 runs 71 kHz for extreme sensitivity to the tiniest nuggets, but is a more specialized prospecting machine. Choose the Pro for an all-around gold-and-relic detector with ground-phase control; the Gold Bug 2 for maximum micro-gold sensitivity.
Is the Gold Bug Pro good for relic and coin hunting too?
Yes. While it's a dedicated gold-prospecting machine, its 19 kHz sensitivity to small, low-conductivity targets and its V-Break discrimination make it a strong relic detector for brass, lead, and bullets on iron-heavy sites, and it shoots coins well. The 10-inch coil in the combo adds the depth and coverage that coin and relic hunting reward.
Is the Gold Bug Pro good for beginners?
Yes — it has an ultra-simple interface with just the key controls and a one-button Ground Grab balance, so a new prospector can be hunting in minutes, while the ground-phase readout and manual fine-tune give experienced users room to optimize. It's a common first serious gold detector.
Is the Gold Bug Pro waterproof?
The search coils are waterproof for working creek edges and shallow water, but the control housing is not submersible, so keep it above the waterline. It's a land-and-edge prospecting machine, not an underwater detector.
What comes in the Gold Bug Pro combo?
The combo includes the Gold Bug Pro detector, a 5-inch biaxial search coil, a 10-inch elliptical search coil, batteries, and Fisher's 2-year warranty — everything you need to hunt both tight bedrock and open ground out of the box.
Why Buy Your Gold Bug Pro from Serious Detecting
We're an authorized Fisher Research Labs dealer, so your Gold Bug Pro 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 or coil question, you reach someone who's hunted the kind of ground you're working. Orders over $99 ship free in the lower 48, local pickup is available out of Michigan, and over 2,700 verified buyers have rated us 4.9 stars. Not sure whether the Gold Bug, 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.
