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AT Max International

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  • Garrett AT Max International
  • Garrett AT Max International Control Panel
  • Garrett AT Max International Control Panel
  • Garrett AT Max International - Waterproof to 10M
  • Garrett AT Max International Control Panel - Back-lit for low light use
  • Garrett AT Max International Wireless Headphones
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  • Garrett AT Max International Cap
Calculated at checkout

Garrett AT Max International

The new Garrett AT MAX is our most versatile and advanced all-terrain VLF metal detector. With increased detection depth, built-in Z-Lynk Wireless Technology, and many other improvements, AT MAX helps treasure hunters push their limits to the MAX!

Powerful, Wireless, All Terrain Performance
Built for the Professional Treasure Hunter

Key Features

NEW Built-in Z-Lynk™ Wireless Technology
Cut 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 included
The speed of Z-Lynk Wireless Technology, and high-fidelity audio…with no cords attached!

Maximum Detection Depth
Increased transmit power and enhanced electronics provides AT Max with significant depth increase.

True All Metal Mode
Detects all types of metal and provides the greatest possible detection depth and sensitivity.

Backlight: Illuminates LCD screen for improved visibility in low-light situations.


Optimized Frequency
The 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 Balance
Automatic 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 Numbers: Digital Target ID number, Iron Discrim number, etc.

More Controls: All easily accessible with a single finger as you search.


AT MAX’s other features include:

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.

Adjustable Frequency
Small frequency shifts to eliminate interference.

All Terrain Versatility
Fully submersible to 10-foot (3 meter) depth. Weatherproof design also protects against dusty and humid environments. 
For underwater use, optional wired headphones must be used.

Digital Target ID: 0 to 99 scale.

High-Res Iron Discrimination™
44 points of iron resolution.

Adjustable Threshold
User can manually adjust the audio threshold (the constant background sound or “hum”) to better hear faint targets.

Pulse Width Modulation Audio
Proportional PWM audio response and Tone Roll Audio provide more target information and sharp, responsive target signals.

Four Search Modes:
True All-Metal, Custom, Coins, and Zero Discrim Modes.

Fast Recovery Speed

Notch Discrimination

Coin Depth Indicator

Battery Condition Indicator

All Garrett AT searchcoils are compatible:
4.5" SuperSniper, 5" x 8" DD coil, 6.5" x 9" concentric coil, 8.5" x 11" DD coil, and 9" x 12" concentric coil.

For Gold Prospecting we recommend the AT 5"x 8" DD Coil


  • AT MAX International detector
  • 8.5" x 11" PROformance™ DD submersible searchcoil 
  • MS-3 Wireless Headphones
  • FREE AT MAX Cap and Coil Cover Available for a limited time during introduction. Accessories are subject to change.




Z-Lynk™ Wireless (integrated)   Yes
MS-3 Wireless Headphones   Included
Enhanced Detection Depth   Yes
True All-Metal Mode   Yes
Backlight   Yes
Frequency   13.6 kHz, adjustable
Ground Balance, Auto/Manual   High Resolution, 175 pts
Auto Ground Balance Window™   Yes
Iron Audio™ (Disc. Modes)   Yes
All Metal Iron Audio™   Yes
Iron Discrimination Segments   44
Threshold Adjustment   Yes
Electronic Pinpointing   Yes
Waterproof to 10 feet (3m)   Yes
Freshwater use   Yes
Saltwater use   Yes
Search Modes   4 (all Pro Audio)
Digital Target ID, larger size   Yes
Audio Tone ID Levels   3
Notch Discrimination   Adjustable
Sensitivity/ Depth Adjustments   8
Fast Recovery Speed   Yes
Target Depth Indicator   Yes
Standard Searchcoil   8.5" x 11" DD PROformance
Length (Adjustable)   43" to 56" (1.09m - 1.4m)
Total Weight   3.03 lbs (1.4 kgs)
Batteries   4 AA
Battery Condition Indicator   Yes
Warranty   2 Year, Limited Parts/Labor



pdf-logo.gif Garrett AT MAX International Brochure Owner's Manual PDF

pdf-logo.gif Garrett AT MAX International Owner's Manual PDF

Product Videos

AT MAX Demo with Texas Distributor (09:14)
The Garrett team stopped by American Detector Distributors in North Texas on August 1 to deliver a pair of AT Max detectors for their showroom. Steve Moore walks their staff through the basic setup, and then veteran detectorist Bill Proenza jumps in to swing some test targets to evaluate the unit’s Tone ID. ▼▼▼ SCROLL DOWN THE DESCRIPTION TO GET INFORMATIONS ▼▼▼ ֎ WHERE TO BUY GARRETT GARRETT METAL DETECTORS, SEARCHCOILS AND ACCESSORIES ֎ → ︎ http://bit.ly/2VD5bvp ֎ WHERE TO BUY ALL GARRETT PRODUCTS IN EUROPE ?
  • AT MAX Demo with Texas Distributor
    The Garrett team stopped by American Detector Distributors in ...
  • AT MAX Instructional Video Part 1 (US Version)
    This first part of the instructional video introduces Garrett’...

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Product Reviews

  1. AT MAX my first machine 4 Star Review

    Posted by on 19th Nov 2017

    Hi guys, I recently purchased an AT MAX as my first metal detector, so far I think its great and quite user friendly even for a newbie to this hobby. I have a few things that Garrett could possibly improve on however, when using the machine during the day time in bright sunny conditions I find it hard to see the depth indicator on the right of my screen as the sunlight hits it ( I'm right handed) making the control box adjustable to angle left or right depending on which hand the user swings with may help this, and perhaps a sun visor type thing above the screen to help shade it from the sun may improve viability, also when wearing polarized sunglasses while operating during the day causes an "oil slick" to appear across the screen so you can't see anything at all which is quite annoying, and even more so when water hunting as polarized sunglasses cut the glare from the water surface, Its a bit of a catch 22 situation. Maybe a tinted or polarized screen would be an improvement. Finally, I tend to do a lot of detecting at night and the backlit screen is brilliant for this! However a small led light to light up the coil and search area would have been another feature that this machine could have done with, such as the one on the nokta forscore, most of us that hunt at night want to be somewhat discrete to avoid people coming over and asking annoying questions etc but having to have a headlamp on to see the coil and to pinpoint your target kind of attracts attention to yourself, and if I'm honest it kind of voids the backlight feature...because you're lit up light a Christmas tree from using the headlamp. These are just my thoughts on how this awesome wee machine could be improved on...other than that I love it!! Cheers Garrett.

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