Garrett AT MaxComplete Review & Field Test 2026
The AT Max adds Z-Lynk wireless technology with just 17ms latency—fast enough that audio feels instantaneous. True All-Metal mode bypasses discrimination for maximum depth on deep targets. Enhanced ground balance tracking and backlit display make it the most capable AT series detector for challenging conditions.
Key Features:
- Z-Lynk wireless technology (17ms response)
- Fully waterproof to 10 feet
- True All-Metal mode
- Enhanced Iron Audio
- Adjustable threshold
Price may vary. Last updated: Dec 28, 2025
Expert Overview
The Garrett AT Max represents Garrett's commitment to delivering reliable metal detection technology. Operating at 13.6 kHz, this professional-grade detector has earned its 4.6-star rating from over 663 verified users—a testament to its real-world performance.
Frequency
13.6 KHz
Weight
3.17 ounces
Battery
15-20 hours
IP Rating
IP54
Coil
9 Inches
Dimensions
25L x 17W x 9H
Technical Specifications
In-Depth Field Performance
Detection Depth & Coverage
In field testing, the Garrett AT Max demonstrates consistent target acquisition across various soil types. The 8.5" x 11" DD provides excellent ground coverage while maintaining sensitivity to smaller targets. With a maximum detection depth of 10-12" (coin), it performs admirably for beach and underwater hunting. Recovery speed between targets is fast enough for trashy sites, making it suitable for competition-level detecting.
Target ID & Discrimination
Target identification on the Garrett AT Max uses 44 segments to differentiate between valuable finds and junk. The 6 search modes provide flexibility for different hunting scenarios. The Iron Audio feature lets you hear masked iron targets—a game-changer for relic hunters working in nail-infested sites. The MS-3 wireless headphones included delivers clear tones even in noisy outdoor environments.
Technology & Ground Handling
Garrett equipped the Garrett AT Max with 13.6 kHz technology, which is optimized for detecting a wide range of targets from gold jewelry to silver coins. The Manual + Auto system gives experienced users full control over mineralization compensation. Full waterproof capability to Full to 10 ft opens up beach and shallow water hunting opportunities.
Build Quality & Ergonomics
Weighing 3.03 lbs (1.4 kg), the Garrett AT Max has a solid feel that inspires confidence, though longer sessions may require breaks. The 42" to 51" adjustable accommodates users of different heights. Build quality is excellent—made in the USA with quality materials. 15-20 hours means less worry about power during full-day hunts.
Pros & Cons
- Z-Lynk wireless with virtually no lag
- True All-Metal mode for maximum depth
- Adjustable threshold for fine-tuning
- Full waterproof to 10 ft
- Excellent depth and sensitivity
- Higher price point
- More complex than other AT models
- Heavier than entry-level detectors
Beach and saltwater hunters who need fully waterproof construction and ground balance capable of handling salt mineralization.
Those who plan to hunt exclusively in saltwater or need maximum depth. Consider upgrading to a waterproof model with manual ground balance.
vs Competition
| Feature | Garrett AT Max | Minelab Equinox 800 | Minelab Equinox 900 |
|---|---|---|---|
| Price | $830.98 | $948.00 | $999.00 |
| Rating | 4.6 | 4.7 | 4.7 |
| Frequency | 13.6 kHz | Multi-IQ (5, 10, 15, 20, 40 kHz) | Multi-IQ 2 (4-40 kHz range) |
| Weight | 3.03 lbs (1.4 kg) | 2.96 lbs (1.34 kg) | 2.96 lbs (1.34 kg) |
| Waterproof | Full to 10 ft | IP68 to 3 meters (10 ft) | IP68 to 5 meters (16 ft) |
Frequently Asked Questions
In optimal low-mineralized soil, the Garrett AT Max can detect a quarter-sized coin at 10-12" (coin). Larger objects like relics and caches can be detected at greater depths. In highly mineralized ground, expect 15-20% reduction in depth. Actual results depend on soil conditions, target size, and discrimination settings.
The Garrett AT Max is designed for experienced detectorists who want more control and features. Beginners can use it but may need time to learn the advanced settings. Consider the Garrett entry-level models if you're just starting out.
Yes, the Garrett AT Max is fully waterproof (Full to 10 ft), making it excellent for beach hunting. You can hunt in the wet sand, surf zone, and even shallow water. The 13.6 kHz handles saltwater mineralization well.
The standard Garrett AT Max package includes: the detector unit, 8.5" x 11" DD, coil cover, headphones, requires AA batteries (sometimes included), and user manual. Some retailers offer accessory bundles with additional coils, carrying bags, and digging tools.
Yes, Garrett provides a 2 years manufacturer warranty for the Garrett AT Max in the USA through authorized dealers. As a USA-made product, service and parts are readily available. Register your detector after purchase for full warranty coverage.
The Garrett AT Max at $830.98 competes with professional detectors including the Minelab Equinox series. Key advantages include z-lynk wireless with virtually no lag and true all-metal mode for maximum depth. However, note that higher price point. See our comparison guides for detailed head-to-head analysis.
Final Verdict
Based on 663 reviews
The Garrett AT Max is an excellent choice for beach and saltwater hunters who need fully waterproof construction and ground balance capable of handling salt mineralization.. With a proven track record of 4.6-star ratings from 663 users, it delivers on its promises in the field.
At $830.98 (currently discounted from $749.95), the Garrett AT Max competes in the professional-grade segment. For serious detectorists, it offers professional-level capabilities that justify the investment. The 2 years warranty provides peace of mind for your purchase.
Bottom Line: For serious detectorists, the Garrett AT Max at $830.98 is a worthwhile investment that will serve you for years of successful hunting.
Price may vary. Last updated: Dec 28, 2025
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Price may vary. Last updated: Dec 28, 2025
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