Garrett Ace 400 Metal Detector

The Garrett ACE 400 Metal Detector delivers powerful, reliable detection for coin shooting, relic hunting, and jewelry recovery. Featuring advanced Iron Audio™, enhanced frequency for improved sensitivity to small targets, and a durable DD search coil, the ACE 400 helps detectorists distinguish good finds from trash with confidence. Enjoy clear digital target ID, adjustable notch discrimination, and multiple search modes that make it easy for beginners and experienced hunters alike to get results fast—whether you’re scanning parks, fields, or historic sites.
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Customer Questions & Expert Answers about the Garrett Ace 400 Metal Detector

Get real answers from outdoor explorers and our product experts. Browse questions about performance, features, and setup —or ask your own to make sure this gear fits your next adventure.

Garrett ACE 400 — Advanced Accuracy and Versatility for Passionate Treasure Hunters

The Garrett ACE 400 metal detector is built for detectorists who want professional-level performance with user-friendly controls. With Enhanced Iron Resolution and Digital Target ID, the ACE 400 gives you clearer signals for coins, jewelry, and relics while reducing time spent digging junk. Its lightweight, ergonomic design makes long detecting sessions more comfortable than ever.

Why Detectorists Choose It

  • 0–99 Digital Target ID with Iron Resolution: Accurately identify coins and relics before you dig, with advanced discrimination to separate valuable targets from trash.
  • Preset search modes & easy controls: Five versatile search modes and adjustable sensitivity make it perfect for beginners and seasoned hunters alike.
  • Enhanced audio signals: Crisp, distinct tones make it easy to distinguish between high-value finds and common iron.
  • Durable, field-ready design: Lightweight, well-balanced, and equipped with a waterproof 8.5" x 11" PROformance™ coil for parks, fields, and beaches.

Key Features

  • 8.5" x 11" PROformance™ concentric coil (waterproof)
  • 0–99 Digital Target ID with Iron Resolution
  • Five search modes plus adjustable frequency
  • Cam-lock shaft system for stability and comfort
  • Upgraded pulse-width modulation audio
  • Includes ClearSound easy-connect headphones

Popular Upgrades

Bundle & Save

Not sure which upgrades will enhance your detecting experience? Our experts can help you create the perfect ACE 400 setup for coins, relics, or beach hunting. Contact us for personalized advice at no extra cost.

Why Buy from Serious Detecting

  • Fast, free U.S. shipping on most orders
  • Exclusive bundle deals and seasonal discounts
  • Authorized Garrett dealer
  • Friendly expert support from real detectorists

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