What Is the Garrett AT Gold Metal Detector?
The Garrett AT Gold metal detector sits inside Garrett's All-Terrain VLF family as the dedicated gold prospecting machine, alongside the coin-and-relic AT Pro and the flagship AT Max. The AT Gold runs at 18 kHz on a single-frequency VLF platform, higher than the 15 kHz AT Pro and the 13.6 kHz AT Max, and that higher frequency is the reason it picks up small, low-conductivity targets like sub-gram nuggets and fine flake gold that lower-frequency machines walk past. Garrett built the AT Gold for Western prospectors working black sand, mineralized desert soil, and shallow water. The control box and the 5" x 8" PROformance DD coil are both fully submersible to 10 ft (3 m), and Garrett manufactures the AT Gold at its Garland, Texas facility.
Garrett AT Gold Key Specs at a Glance
| Specification | Value |
| Operating Frequency | 18 kHz, single-frequency VLF |
| Frequency Adjust | Manual frequency shift across 4 channels (EMI avoidance) |
| Standard Searchcoil | 5" x 8" PROformance DD, submersible |
| Submersion Rating | 10 ft (3 m), control box and coil |
| Search Modes | True All-Metal Mode plus 2 Discrimination Modes (DISC 1, DISC 2) |
| Digital Target ID | 0 to 99 |
| Iron Discrimination Resolution | 44 points |
| Iron Audio | Yes, including All-Metal Iron Audio in True All-Metal Mode |
| Audio Tones | 3 (High, Medium, Low) plus Pro Mode Audio (Proportional + Tone Roll) |
| Ground Balance | Manual, Fast Track Automatic, and Garrett Ground Balance Window |
| Adjustable Threshold | Yes |
| Pinpoint | Electronic Pinpointing (Non-Motion All-Metal) |
| Headphones | Garrett MS-2 included; AT submersible 2-position connector |
| Power | 4 AA batteries with battery holder (batteries included) |
| Total Weight | 3.03 lbs (1.4 kg) assembled |
| Stem Length | Adjustable, 42 in collapsed to 51 in extended (1.06 m to 1.29 m) |
| Warranty | 2 Year Limited |
| Country of Origin | Made in USA (Garland, Texas) |
Why 18 kHz Matters: How the Garrett AT Gold Finds Small Gold
Higher operating frequencies respond more strongly to small, low-conductivity targets. Sub-gram nuggets, picker-sized gold, and fine flake gold all sit at the lower end of the conductivity scale, well below silver coins or copper relics. At 18 kHz, the AT Gold generates stronger eddy currents in those small gold targets than a 7 kHz coin machine or a 12 kHz general-purpose VLF, which is why it hears flakes and pickers those detectors miss. The advantage is largest in black sand environments and iron-mineralized desert soil, where lower frequencies lose both depth and target separation. The cost is reduced reach on large, high-conductivity targets like silver dollars and big copper, which is the right cost for a dedicated gold machine. The Garrett AT Gold metal detector also includes manual frequency shift across four channels so you can step away from electromagnetic interference when another detectorist or a power line gets close.
The Best Waterproof Gold Detector for Wet Ground Hunts
The AT Gold is fully waterproof to 10 ft (3 m), control box and coil. That rating opens up gold ground that chest-high waders cannot reach: shallow dredge holes, summer creeks at chest depth, wet desert washes after monsoon runoff, and the wet sand and surf zone on black-sand Pacific beaches. The included 5" x 8" PROformance DD coil is rated for the same submersion. For deeper underwater prospecting beyond 10 ft, you need a pulse induction detector or a dredge, but for the wading and shallow-water zones where most Western placer gold sits, the AT Gold handles it without breaking down the rig. Hunters running the AT Gold in heavy rain or salt-spray conditions get the same sealed build, with the AT 2-position submersible headphone connector keeping the audio chain dry.
Ground Balance and Mineralization on the Garrett AT Gold
The AT Gold gives prospectors three ground balance behaviors that matter in real gold country. Manual ground balance lets you pump the coil and dial the balance setting by hand for the quietest run in heavy black sand or iron-rich desert soil. Fast Track Automatic ground balance handles the routine soil changes you encounter as you move across a wash. The Garrett Ground Balance Window is the AT Gold's headline ground-handling feature: it spreads the ground balance setting across a range so the detector accommodates subtle mineralization variations without re-balancing every few feet. The AT Gold is still a VLF, so the most punishing mineralization (severe ironstone, hot Australian goldfield ground) belongs to a pulse induction platform. For the majority of North American prospecting ground from the Bradshaws to the Mother Lode, the AT Gold's three-mode ground balance system is more than adequate.
True All-Metal Mode, Iron Audio, and 44-Point Iron Discrimination
The AT Gold runs a True All-Metal Mode for maximum depth in clean ground, plus DISC 1 and DISC 2 Discrimination modes for trashier sites. The 44-point iron discrimination scale lets you notch out tight ranges of iron without losing nearby small gold ID values. Garrett's Iron Audio feature is available in the discrimination modes, and the AT Gold extends it into True All-Metal Mode as well: All-Metal Iron Audio lets you hear discriminated iron in the all-metal workflow, useful when you want depth but still want to know when the next signal is a square nail or a bottle cap before you commit to digging. Pro Mode Audio adds proportional audio response plus Tone Roll for finer audio detail on faint and edge-of-coil signals.
Garrett AT Gold vs. Garrett AT Pro: Which AT Belongs in Your Truck?
The AT Gold and the AT Pro share the same All-Terrain VLF chassis, the same 10 ft submersion rating, the same 4 AA battery system, and the same 0 to 99 Digital Target ID scale. They are tuned for different jobs.
| Feature | Garrett AT Pro | Garrett AT Gold |
| Operating Frequency | 15 kHz | 18 kHz |
| Primary Target Use | Coins, relics, jewelry, general detecting | Gold prospecting, nuggets, mineralized ground |
| Standard Searchcoil | 8.5" x 11" PROformance DD | 5" x 8" PROformance DD |
| Submersion Rating | 10 ft (3 m) | 10 ft (3 m) |
| Search Modes | 3 Standard plus 3 Pro Mode audio modes | True All-Metal plus 2 Discrimination modes |
| Iron Discrimination Resolution | 40 levels | 44 points |
| All-Metal Iron Audio | No (Iron Audio in Discrim modes only) | Yes (Iron Audio in True All-Metal Mode) |
| Ground Balance Window | No | Yes (Garrett-exclusive) |
| Frequency Shift | No | Yes, 4 channels |
| Power | 4 AA batteries (included) | 4 AA batteries (included) |
| Total Weight | 3.03 lbs (1.4 kg) | 3.03 lbs (1.4 kg) |
| Warranty | 3 Year Limited | 2 Year Limited |
Stay with the AT Pro if you split your hunting time across coins, relics, and the occasional prospecting trip, and you want the larger 8.5" x 11" PROformance DD coil for ground coverage. Buy the AT Gold if gold nuggets are the primary target, the ground is mineralized, and you want the 18 kHz frequency, the Ground Balance Window, the manual frequency shift, and All-Metal Iron Audio that the AT Pro does not offer.
Where the Garrett AT Gold Performs Best
Arizona's Bradshaw and Weaver ranges, Nevada's Goldfield and Rye Patch districts, California's Mother Lode drainages, and Colorado's high-country placer streams are all natural ground for the AT Gold. Look for documented placer activity, old dredge piles, and exposed bedrock in seasonal creeks. Desert dry washes are productive after monsoon runoff when new material concentrates against bedrock. Black sand beaches along the Pacific coast accumulate fine gold in the surf zone, and the AT Gold's 10 ft submersion lets you work wet sand and shallow surf where VLF still has an advantage on small targets. For the heaviest Australian-style ironstone ground or for very deep recovery on large nuggets, a pulse induction platform takes over, but the AT Gold covers the majority of North American gold ground a serious prospector will reach in a season.
What Ships in the Box and Recommended Accessories
The standard Garrett AT Gold package includes the AT Gold control unit, the 5" x 8" PROformance DD searchcoil with coil cover, the Garrett MS-2 headphones, the 4 AA batteries with battery holder, and the owner's manual. Pair the AT Gold with the Garrett Pro-Pointer AT for plug-side recovery; the Pro-Pointer AT shares the same 10 ft waterproof rating and the same one-button Garrett interface, so it stays with the detector through the same conditions. Garrett AT-compatible coil options include the 4.5" Super Sniper for tight bedrock crevices and pocket-trashed patches, the same 5" x 8" DD as a spare, and the 8.5" x 11" PROformance DD for open-ground coverage when you want a larger footprint per swing. Browse the wider aftermarket search coil selection for additional options. Round out the recovery kit from the digging tool collection. For a hardshell carry option, see the headphones and audio collection for AT-compatible waterproof headphone upgrades.
Why Buy the Garrett AT Gold Metal Detector from Serious Detecting?
- Free Shipping on Orders Over $99: Your Garrett AT Gold metal detector ships at no extra cost across the continental US.
- Authorized US Garrett Dealer: Full 2-Year manufacturer warranty.
- Made in USA: The AT Gold is manufactured in Garland, Texas, the operation Garrett has run since the company was founded in 1964.
- Detectorists on Staff: Call or email for setup help, ground balance starting points, coil pairing advice, and recommendations from people who hunt the same gear.