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Garrett AT MAX Metal Detector

The Garrett AT MAX is an all-terrain monster that packs all the features that Garrett customers have been asking for: built-in Z-Lynk transmit technology, new Garrett MS-3 Z-Lynk wireless headphones, more depth, larger display numbers, advanced ground balance resolution, and even a backlight.

Highly Recommended – Coin, Jewelry, Cache Hunting, Relic Hunting, Organized Hunts and Water Hunting.

Garrett AT MAX Metal Detector


Z-Lynk™ Wireless (integrated)Yes
MS-3 Wireless HeadphonesIncluded
Enhanced Detection DepthYes
Search Modes4 (all Pro Audio)
Sensitivity/Depth Adjustments8
Electronic PinpointingYes
Frequency13.6 kHz, adjustable
Audio Tone ID Levels3
Standard Searchcoil8.5″ x 11″ DD PROformance
Length (Adjustable)43″ to 56″ (1.09m – 1.4m)
Total Weight3.03 lbs. (1.4 kgs.)
Batteries4 AA (included)
Battery Condition IndicatorYes
Ground Balance, Auto/ManualHigh Resolution, 175 pts
Warranty2 Year, Limited Parts/Labor
True All-Metal ModeYes
Iron Audio™ (Disc. Modes)Yes
All Metal Iron Audio™Yes
Iron Discrimination Segments 44
Threshold AdjustmentYes
Waterproof to 10 feet (3m)
Freshwater use
Saltwater use

Key Features

NEW Built-in Z-Lynk™ Wireless TechnologyCut the cord! Integrated circuitry transmits audio to your wireless headphones. Six times faster than Bluetooth speed! Auto pairing. No cables, and no interference from other wireless devices.
NEW Garrett MS-3™ Z-Lynk Wireless Headphones includedThe speed of Z-Lynk Wireless Technology, and high-fidelity audio…with no cords attached!
Maximum Detection DepthIncreased transmit power and enhanced electronics provides AT Max with significant depth increase.
True All Metal ModeDetects all types of metal and provides the greatest possible detection depth and sensitivity.
BacklightIlluminates LCD screen for improved visibility in low-light situations.
Optimized FrequencyThe AT Max’s 13.6 kHz operating frequency provides excellent detection on a wide range of targets—including silver coins, gold jewelry, and brass relics.
High Resolution Ground BalanceAutomatic and manually adjustable for improved performance. Includes 175 points of Ground Balance resolution, allowing the AT Max to handle both conductive soils (such as saltwater beaches) and highly mineralized ground.
Automatic Ground Balance Window™Garrett Exclusive feature will simultaneously ground balance to a range of values to help overcome localized ground variations. By reducing subtle ground responses, the Automatic Ground Balance Window smooths detector audio and allows the user to hear faint targets.
Larger Display NumbersDigital Target ID number, Iron Discrim number, etc.
More ControlsAll easily accessible with a single finger as you search.
All Garrett AT searchcoils are compatible4.5″ SuperSniper, 5″ x 8″ DD coil, 6.5″ x 9″ concentric coil, 8.5″ x 11″ DD coil, and 9″ x 12″ concentric coil.
Four Search ModesTrue All-Metal, Custom, Coins, and Zero Discrim Modes.
Digital Target ID
0 to 99 scale.
Iron Audio™Hear discriminated iron (normally silenced) to avoid digging tricky, undesired flat iron items.
All Metal Iron Audio™Garrett Exclusive feature that audibly identifies discriminated iron while operating in a True All-Metal Mode.


Provided below owner manuals for the Garrett AT MAX metal detector.


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