ACE 400

PN: 1141260

Advanced Features for Advanced Results


(included with purchase)

  • Garrett ClearSound Easy Stow Headphones with volume control
  • ACE Environmental Cover-Up
  • Searchcoil cover



Spec & Details

  • 5 Search Modes plus Pinpoint
  • Iron Audio and Adjustable Notch Discrimination
  • Digital Target ID
  • 8.5″ x 11″ DD submersible searchcoil
  • 1/4″ Headphone jack


The Garrett ACE 400 Metal Detector

The ACE 400 is a revolutionary metal detector that elevates treasure hunting adventures. This advanced detector exceeds expectations by offering enhanced detection depth and features tailored for new and experienced users. With its ability to detect valuable items like silver coins and jewelry, the ACE 400 ensures a more efficient and rewarding search experience. Whether you’re exploring historic ghost towns or searching the beach for artifacts, this metal detector has a better chance of uncovering hidden silver relics.


Advanced Features & Technical Specifications

The ACE 400’s advanced technology responds to the magnetic fields of different metals and pinpoints a broader range of targets. Unique features and technical specifications for this product include:

  • Iron Audio: Allows you to hear discriminated and silenced iron to avoid digging undesired flat iron targets such as bottle caps or washers.
  • Digital Target ID: A numeric identification scale from 0 to 99, offering a clear understanding of a target metal’s conductivity.
  • Adjustable Frequency: Eliminates and minimizes interference caused by electrical sources or from other metal detectors.
  • Higher Frequency (10 kHz): Increases sensitivity to detect low and medium-conductivity targets like gold and lead.
  • Enhanced Iron Resolution: Increased resolution allows more control of iron discrimination and is helpful in areas where iron trash covers the desired targets.
  • Electronic Pinpointing: The All-Metal Mode function precisely locates a target’s position for quick and efficient recovery.
  • Notch Discrimination: Allows you to customize discrimination patterns and tailor your search to specific types of metal or treasures.
  • Weight and Dimensions: Total weight is 2.9 lbs, providing easy handling and comfort during extended use.
  • Battery Life: The battery condition indicator keeps you aware of the remaining butterfly life of your device.
  • Warranty: Includes a 3-year warranty with limited parts/labor, ensuring durability and reliability for the user.

Design and Build Quality

The ACE 400 metal detector meets the demands of various treasure-hunting environments, combating durability with advanced technology.

  • Camlocks for Stem Stability: Ensures the detector remains stable in challenging terrains, enhancing user comfort and accuracy in detection.
  • Standard Search Coil: 8.5″ x 11″ PROformance DD Submersible Searchcoil offers extensive ground coverage, depth, and versatility for underwater searches. 
  • Pulse-Width Modulation Audio: Provides clear and responsive audio signals, allowing for precise identification of different metals.

The construction of the ACE 400 ensures it stands up to the challenges of regular use, whether you’re exploring dry lands or waters. Its robust build quality guarantees longevity and reliability, making it a trusted companion for any metal-detecting experience level.

Ideal Applications

This advanced metal detector can be set to target non-ferrous metals like silver and is highly versatile for a wide range of activities:

  • Coin and Jewelry Hunting: Its precision and depth make finding old coins and jewelry easier, such as a gold or silver wedding ring.
  • Relic Hunting: With advanced features, this reliable tool accurately detects relics for history enthusiasts.
  • Competition Events: With quick response time and accurate target identification, it’s an excellent choice for treasure hunting competitions.
  • Beach and Freshwater Hunting: Users find the submersible search coil useful for dry sandy beach locations and discovering items in shallow fresh water.


What type of treasures can the ACE 400 find?

The ACE 400 effectively finds gold jewelry, relics, a pure silver ring, a gold coin, and much more. Its advanced features make it ideal for coin, jewelry, and relic hunting.


Is the ACE 400 suitable for beginners in metal detecting?

Absolutely. The ACE 400 is ideal for beginners and experienced users. Its user-friendly interface and adjustable settings make it easy for beginners to operate, while its advanced features cater to the needs of more experienced users.


Are there any additional accessories recommended for the ACE 400?

Aside from the free accessories included with the purchase, additional accessories such as the All-Purpose Carry Bag, TreasureHound Headphones, or All Terrain Dig Pouch can enhance your metal-detecting experience. These are available separately.

Shipping Details

Free shipping on all orders of $100 or more within the USA via FedEx ground. Please note that other shipping options and rates will be displayed as your order is placed.

Returns & Support

Garrett Customer Service support is available during normal business hours for general information or to assist with any product issue. Garrett metal detection products (detectors, pinpointers, and searchcoils) include a 3-year manufacturer’s warranty.

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