Garrett Ace 400i

Garrett ACE 400i Metal Detector – Flagship Performance with Advanced Iron Audio

The Most Advanced Detector in the ACE Series

The ACE 400i is the flagship model in Garrett’s top-selling ACE range, delivering powerful performance, advanced audio features, and exceptional target separation. Designed for detectorists who want more depth, control, and accuracy, the ACE 400i is ideal for coins, relics, jewellery, and low-conductivity targets such as gold.

Packed with professional features and proven Garrett reliability, the ACE 400i is a serious step up for dedicated hobbyists.

What’s Included

• Garrett ACE 400i Metal Detector

• Garrett PROformance™ DD Search Coil – 28 cm / 11” (with Coil Cover)

• Garrett Easy Stow Headphones

• ACE Control Box Cover

• 2-Year Manufacturer Warranty

Everything you need to start detecting straight away.

Advanced Detection Features

• Iron Audio Technology
  Allows you to hear discriminated iron targets—ideal for identifying bottle caps and complex iron objects
  (Feature made popular on Garrett AT Pro and AT Gold detectors)

• Operating Frequency: 10 kHz
  Enhanced sensitivity to low and medium conductivity targets such as gold and lead

• Frequency Adjust
  Easily shift frequencies to reduce interference from power lines or nearby detectors

• PROformance™ 8.5” × 11” DD Search Coil
  Excellent depth, ground coverage, and target separation as standard

Precision Control & Target Accuracy

• Five Discrimination Search Modes

• High-Resolution Iron Discrimination
  Improved separation in iron-infested sites

• Electronic Pinpointing
  Faster and more accurate target recovery

• Adjustable Sensitivity Settings

• Clear target identification for confident digging decisions

Why Choose the Garrett ACE 400i Metal Detector?

✔ Flagship model in the ACE range
✔ Advanced Iron Audio for better target identification
✔ Excellent sensitivity to gold and low-conductive metals
✔ Large DD coil for depth and coverage
✔ Trusted Garrett build quality

The Garrett ACE 400i metal detector delivers professional-grade features in a lightweight, easy-to-use design—making it one of the best-performing detectors in its class.