5-Second Answer

Get the ACE 400 if you can afford the extra $100 - Iron Audio and adjustable frequency are worth it. Get the ACE 300 if you're on a tight budget and want proven performance.

Head-to-Head Comparison 2026

Garrett ACE 300 vs ACE 400

Verified Amazon Data

In-depth comparison with scores, field analysis, and expert verdict

Garrett ACE 300

Garrett ACE 300

(4,392)

$269.99

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Our Pick
Garrett ACE 400

Garrett ACE 400

(4,392)

$357.95

Check Price

Price difference: $87.96 (Garrett ACE 300 is cheaper)

Performance Scores

Head-to-Head Ratings

Our expert scores based on field testing and user data

Garrett ACE 300
7.7
Overall
Depth7/10
Target ID7/10
Ground Balance6/10
Ease of Use9/10
Build Quality8/10
Value9/10
Garrett ACE 400
7.8
Overall
Depth7/10
Target ID8/10
Ground Balance6/10
Ease of Use8/10
Build Quality8/10
Value10/10
Quick Reference

Who Wins By Use Case?

Find your scenario instantly

🎯Absolute Beginner→Garrett ACE 300

Simpler to start with

🌳Parks with Iron Trash→Garrett ACE 400

Iron Audio is essential

🪙Coin Shooting→Garrett ACE 400

Digital Target ID helps

🥇Small Gold Jewelry→Garrett ACE 400

15 kHz frequency option

💰Tight Budget→Garrett ACE 300

Save $100 if needed

🎯Growing into Hobby→Garrett ACE 400

Features to grow with

The $87.96 Question

The $100 upgrade from 300 to 400 is one of the best value jumps in metal detecting. You get Iron Audio, adjustable frequency (8/10/15 kHz), and Digital Target ID - features worth far more than $100.

Deep Dive

Category-by-Category Analysis

Expert breakdown of each performance area

Depth Performance

Tie

Same DD coil and similar electronics. Both reach 8-9 inches on coins in average soil. Depth is identical.

Target ID Accuracy

Garrett ACE 400 Wins

ACE 400 adds Digital Target ID (0-99 scale) and Iron Audio. You'll identify targets faster and dig less trash.

Frequency Options

Garrett ACE 400 Wins

ACE 400 offers 8, 10, or 15 kHz. Lower for coins/silver, higher for gold/small items. ACE 300 is fixed at 8 kHz.

Ease of Use

Garrett ACE 300 Wins

Fewer features = simpler operation. ACE 300 is slightly more turn-on-and-go for absolute beginners.

Build Quality

Tie

Same construction, same reliability. Both are Garrett tough and will last years.

Value for Money

Garrett ACE 400 Wins

The $100 upgrade buys features worth $200+. Best value upgrade in entry-level detecting.

Full Specification Comparison

SpecificationGarrett ACE 300Garrett ACE 400
Price$269.99$357.95
Rating4.6★4.6★
Reviews4,3924,392
Operating Frequency8 kHz8.25 kHz (adjustable)
Weight2.8 lbs (1.27 kg)2.9 lbs (1.3 kg)
Length42" to 51" adjustable42" to 51" adjustable
Coil7" x 10" PROformance DD8.5" x 11" DD PROformance
Max Depth6-8" (coin), 10"+ (larger)8-10" (coin), 12"+ (larger)
WaterproofCoil onlyCoil only (submersible)
Search Modes55 (Jewelry, Coins, Relics, Custom, Zero-Disc)
Discrimination8 segments8 segments, adjustable notch
Ground BalancePresetPreset (automatic)
Power4 AA batteries4 AA batteries
Battery Life20-25 hours15-20 hours
AudioSpeaker + headphone jackBuilt-in speaker, 1/4" headphone jack
Warranty2 years2 years
Made InUSAUSA
frequency—10 KHz
weight5 pounds5.48 pounds
batteryLife25 Hours5 Hours
ipRatingIP54IP54
coilSize——
dimensions10L x 7W x 51H15L x 6W x 22H
materialMetalPlastic
powerSourceBattery PoweredBattery Powered
modelACE 3001141260

Pros & Cons Comparison

Garrett ACE 300

Pros

  • Excellent beginner-friendly detector
  • Digital Target ID for accurate identification
  • Lightweight and easy to use
  • Great battery life (20-25 hours)

Cons

  • No adjustable frequency like ACE 400
  • Preset ground balance only
  • Smaller coil than ACE 400
Garrett ACE 400

Pros

  • 8.25 kHz frequency excellent for coins and jewelry
  • Iron Audio lets you hear iron discrimination
  • Digital Target ID with 0-99 scale for accurate identification
  • Made in USA with excellent build quality

Cons

  • No wireless headphones included
  • Preset ground balance may struggle in highly mineralized soil
  • Learning curve to master Iron Audio feature
FAQ

Frequently Asked Questions

Common questions about Garrett ACE 300 vs ACE 400

Future Planning

Upgrade Path

When you're ready for the next level

From Garrett ACE 300:

Garrett ACE 400 ($349) is the natural next step, or Nokta Simplex+ ($299) for waterproof

From Garrett ACE 400:

Garrett AT Pro ($629) for waterproof + Pro Audio, or Nokta Legend ($599) for multi-frequency

Bottom Line

If you can stretch your budget by $100, get the ACE 400. Iron Audio and adjustable frequency transform the detecting experience - you'll dig smarter, not just more. The ACE 300 is a capable detector that finds the same targets, but you'll work harder to identify them. For $100, the 400's upgrades are a no-brainer. This is the easiest recommendation in entry-level detecting.

Our Pick: Garrett ACE 400
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