Garrett Jase Robertson Signature Edition AT Max Metal Detector

The Garrett AT Max Jase Robertson Signature Edition is a waterproof VLF metal detector with integrated Z-Lynk wireless technology, Iron Audio discrimination, and a 13.6 kHz operating frequency, finished in the exclusive camouflage pattern Jase uses in the Duck Family Treasure TV series. Designed for detectorists who hunt wet environments, mineralized ground, and trashy sites where bottle caps and flat iron mask good targets, the AT Max combines automated ground balance with eight sensitivity adjustments to push detection depth beyond earlier Garrett AT detectors. This signature edition ships with Garrett's MS-3 wireless headphones, a 6-inch by 11-inch Viper DD coil with cover, a Duck Commander duck call with lanyard, and four AA batteries, so you can start hunting the day it arrives.

What's Included with the Garrett AT Max Jase Robertson Signature Edition

• Garrett AT Max metal detector with 6in x 11in Viper DD searchcoil in camouflage finish
• Viper coil cover
• MS-3 Z-Lynk wireless headphones
• Duck Commander duck call with lanyard
• Four AA batteries
• AT Max owner's manual and warranty card

Z-Lynk Wireless Performance and Iron Audio in Mineralized Ground

Parks, Schoolyards, and Trashy Urban Sites

The AT Max's Iron Audio feature lets you hear discriminated iron targets before you dig. In high-trash parks where bottle caps, pull-tabs, and washers outnumber coins ten to one, Iron Audio adds a low grunt to the target tone when the detector sees iron conductivity, so you can make a dig-or-skip decision without breaking stride. We run Iron Discrimination at 35 in these sites, which silences most flat iron but leaves the audio cue active for borderline targets. The 13.6 kHz frequency hits silver coins and clad hard, and the True All Metal mode with Iron Audio lets you cherry-pick deep wheats in the all-metal sweep without losing the iron warning. The Z-Lynk wireless system transmits audio six times faster than Bluetooth, so there's no lag between coil swing and headphone response, a real advantage when you're working a grid and listening for faint high-tones under iron.

Beaches and Saltwater Surf

Waterproof to 10 feet, the AT Max handles wet sand and shallow surf without the false signals conductive saltwater throws at single-frequency VLF detectors. The high-resolution ground balance system offers 175 points of resolution and an Automated Ground Balance Window that spreads the ground balance setting across a range of values, smoothing detector audio when you transition from dry sand to wet pack to the surf line. We've hunted Oregon coast beaches where black sand concentrations shift every twenty yards, and the Ground Balance Window reduces the ground noise enough that you hear gold rings and silver under the chatter. The 6-inch by 11-inch Viper DD coil is a good compromise between coverage and target separation when you're working a towel line with scattered trash. The MS-3 headphones seal well enough to hear faint targets over wave noise, and the backlit display stays readable in dawn and dusk light when the productive low tides hit.

Relics in Red Clay and Mineralized Farm Fields

The AT Max's manual ground balance and eight sensitivity levels let you tune for hot ground that would overload a fixed-ground detector. We've run this machine in Tennessee red clay and Arizona caliche, both severely mineralized soils, and the combination of high-resolution ground balance and the Automated Ground Balance Window keeps the threshold stable enough to hear deep brass and iron relics. The adjustable threshold control lets you set the background hum where you want it, loud enough to catch the faint whisper of a deep target but not so loud it fatigues your ears on a four-hour hunt. The technologies behind modern detectors like automated ground tracking and multi-tone audio have made hunting mineralized ground less of a guessing game, and the AT Max applies those tools in a waterproof, field-ready package. Iron Audio works in all four detection modes, so you can run Coins mode for a tighter discrimination pattern and still hear the iron grunts that flag bottle caps and square nails.

Lightweight Ergonomics and Field-Ready Durability

• Wireless freedom for brush and water work: Z-Lynk technology eliminates headphone cables that snag on branches or dangle in surf, and the MS-3 headphones auto-pair with the detector when you power on, no menus or Bluetooth pairing steps.
• Backlit display for low-light hunting: the illuminated LCD screen lets you read target ID numbers and settings in pre-dawn, dusk, or night hunts, controlled by a single button press on the Iron Audio/Light button.
• Camlock stem stability: the camlock connectors on the adjustable shaft (43 inches to 56 inches) lock tighter than twist-locks and don't rattle loose during long swings, a detail that matters when you're covering acres of plowed field.
• 3.03-pound total weight: lighter than pulse-induction beach machines and balanced for all-day swings, the AT Max's weight distribution puts most of the mass near your grip rather than at the coil end, reducing wrist fatigue on extended sessions.
• Proudly manufactured in the USA: engineered, assembled, and field-tested at Garrett's Garland, Texas facility, ensuring rugged reliability and strict American quality control for detectors that hunt harsh coastal beaches, dusty farm fields, and humid Southern forests.

Compare within the Family

The ACE Apex offers Multi-Flex frequency technology with simultaneous multi-frequency and single-frequency options, a built-in rechargeable battery, and a lighter overall weight, making it a strong choice for detectorists who want frequency flexibility and don't need full submersion capability. The AT Max delivers a dedicated 13.6 kHz frequency optimized for coins, jewelry, and relics, full waterproofing to 10 feet for surf and stream hunting, 44 iron discrimination segments for finer trash rejection, and True All Metal mode for maximum depth and sensitivity in open fields. Both models ship with Z-Lynk wireless headphones and the camouflage finish from the Duck Family Treasure series, so your choice comes down to hunt environment (dry land and shallow water versus full submersion) and detection approach (frequency versatility versus single-frequency depth and discrimination resolution).

Specifications

• Operating Frequency: 13.6 kHz
• Coil: 6in x 11in DD Viper (waterproof)
• Waterproof Rating: 10ft (3m)
• Discrimination Segments: 44 iron discrimination segments
• Ground Balance: Auto/manual, 175 points resolution, Automated Ground Balance Window
• Audio Tones: 3 (proportional)
• Search Modes: 4 (all Pro Audio)
• Sensitivity Adjustments: 8 levels
• Digital Target ID: 0 to 99 scale
• Battery: 4 AA alkaline (included)
• Length (Adjustable): 43in to 56in (1.09m to 1.4m)
• Weight: 3.03 lbs (1.4 kg)
• Country of Manufacture: USA (Texas)
• Warranty: 3-year limited parts and labor

Why Buy from Serious Detecting

Every Garrett AT Max ships with a full factory serial number and an authentic three-year manufacturer warranty backed directly by Garrett's specialized customer support and technical service facility in the United States. As an authorized Garrett dealer, we stock current production units and ship them the same day when you order before our cutoff. Our team runs Garrett detectors in the field, from Arizona gold prospecting sites to Florida saltwater beaches, so we can answer setup questions and recommend coil upgrades or accessory pairings based on real hunt experience. Free ground shipping on all detector orders, a 30-day return window if the machine doesn't fit your hunting style, and a price-match guarantee mean you're covered before, during, and after the purchase. For detectorists cross-shopping the Garrett AT series, we can walk you through the differences between the AT Pro, AT Gold, and AT Max so you pick the model that matches your target types and environments.