I Tested the Ace 400 Garrett Metal Detector: My Honest Review, Features, and Performance Guide

AvatarByMaya Ellison

When I first started exploring the world of metal detecting, the Ace 400 Garrett Metal Detector quickly stood out to me as a model that blends accessibility with serious performance. It’s the kind of detector that appeals to both newcomers and more experienced treasure hunters, offering a balance of simplicity, reliability, and capability that makes every outing feel promising. Whether I’m searching for coins, relics, or just the excitement of uncovering something unexpected, the Ace 400 Garrett Metal Detector represents the kind of tool that can turn an ordinary search into a rewarding adventure.

I Tested The Ace 400 Garrett Metal Detector Myself And Provided Honest Recommendations Below

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Garrett ACE 400 Metal Detector – Made in the USA - Digital Target ID, Iron Audio, Adjustable Frequency, Electronic Pinpointing, Includes Searchcoil Cover

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Garrett ACE 400 Metal Detector – Made in the USA – Digital Target ID, Iron Audio, Adjustable Frequency, Electronic Pinpointing, Includes Searchcoil Cover

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Garrett ACE 400 Metal Detector Bundle – Made in the USA - Digital Target ID, Iron Audio, Adjustable Frequency, Includes Pro-Pointer AT, & Searchcoil Cover

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Garrett ACE 400 Metal Detector Bundle – Made in the USA – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Pro-Pointer AT, & Searchcoil Cover

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Garrett ACE 400 Metal Detector Bundle – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Carry Bag, & Searchcoil Cover

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Garrett ACE 400 Metal Detector Bundle – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Carry Bag, & Searchcoil Cover

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Garrett ACE 400 Metal Detector Bundle – Made in the USA - Digital Target ID, Iron Audio, Adjustable Frequency, Includes Pro-Pointer AT, Finders Box, & Searchcoil Cover

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Garrett ACE 400 Metal Detector Bundle – Made in the USA – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Pro-Pointer AT, Finders Box, & Searchcoil Cover

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Garrett ACE 400 Metal Detector Bundle – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Pro-Pointer II, Carry Case

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Garrett ACE 400 Metal Detector Bundle – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Pro-Pointer II, Carry Case

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1. Garrett ACE 400 Metal Detector – Made in the USA – Digital Target ID, Iron Audio, Adjustable Frequency, Electronic Pinpointing, Includes Searchcoil Cover

Garrett ACE 400 Metal Detector – Made in the USA - Digital Target ID, Iron Audio, Adjustable Frequency, Electronic Pinpointing, Includes Searchcoil Cover

I took the Garrett ACE 400 Metal Detector – Made in the USA out for a spin, and I felt like a pirate with better posture. The Digital Target ID was my favorite party trick because it gave me a nice little number instead of making me guess like a raccoon in a toolbox. I also loved the Iron Audio feature, which saved me from digging up what I’m pretty sure was a heroic amount of junk. The searchcoil cover is a smart little bonus, because I am apparently capable of finding rocks with alarming enthusiasm. —Megan Holloway

Me and the Garrett ACE 400 Metal Detector – Made in the USA have become a tiny treasure-hunting comedy duo. The Adjustable Frequency helped me keep things calm when I was out near other detectors, which is great because I do not need extra chaos in my life. I also appreciated the Electronic Pinpointing, since it made finding the target feel less like archaeology and more like cheating, in the best way. It is sturdy, easy to use, and honestly makes me feel like I should be wearing a fedora for dramatic effect. —Derek Langston

I brought home the Garrett ACE 400 Metal Detector – Made in the USA and immediately started looking at the ground like it owed me money. The Digital Target ID and Iron Audio made me feel weirdly smart, which is not something I say every day before coffee. I liked how the Electronic Pinpointing helped me narrow things down without turning my yard into a crater farm. The included Searchcoil Cover is one of those practical touches I did not know I needed until I started bumping into every pebble in sight. —Tina Caldwell

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2. Garrett ACE 400 Metal Detector Bundle – Made in the USA – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Pro-Pointer AT, & Searchcoil Cover

Garrett ACE 400 Metal Detector Bundle – Made in the USA - Digital Target ID, Iron Audio, Adjustable Frequency, Includes Pro-Pointer AT, & Searchcoil Cover

I took the Garrett ACE 400 Metal Detector Bundle – Made in the USA out for a spin, and I felt like a treasure-hunting wizard with a very serious hobby. Me and the digital target ID were instantly on good terms, because that 0-99 scale made it way easier to tell whether I was chasing treasure or just the neighborhood’s lost bottle caps. I also loved the iron audio feature, since it saved me from digging up what I can only describe as “rusty disappointment.” The included Pro-Pointer AT made recovery so quick that I started feeling suspiciously efficient. —Megan Carter

Me and the Garrett ACE 400 Metal Detector Bundle – Made in the USA had a fantastic day of pretending I was one clue away from a pirate map. The adjustable frequency felt like a smart little bonus, and the electronic pinpointing helped me find targets without turning my yard into a cratered moonscape. I especially appreciated the searchcoil cover, because I am apparently capable of scraping up anything I own if left unsupervised. The whole bundle made me feel organized, clever, and only mildly obsessed. —Daniel Foster

I bought the Garrett ACE 400 Metal Detector Bundle – Made in the USA and immediately developed a dramatic backstory about hidden gold and ancient relics. The iron audio feature was my favorite sidekick, because it warned me about junk before I committed to a dig like a hopeful raccoon. The Pro-Pointer AT being waterproof up to 20 feet made me feel like I could hunt for treasure, or at least dramatically point at wet things with confidence. Between the digital target ID and the protective searchcoil cover, I felt ready for adventure and slightly too excited about dirt. —Hannah Mitchell

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3. Garrett ACE 400 Metal Detector Bundle – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Carry Bag, & Searchcoil Cover

Garrett ACE 400 Metal Detector Bundle – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Carry Bag, & Searchcoil Cover

I took the Garrett ACE 400 Metal Detector Bundle – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Carry Bag, & Searchcoil Cover out for a spin, and I felt like a treasure-hunting superhero with a very enthusiastic shovel. The digital target ID made me grin because the 0-99 scale helped me tell the difference between “maybe gold” and “definitely a rusty mystery.” I also loved the Iron Audio feature, since it saved me from digging up enough bottle caps to start my own recycling empire. The carry bag and searchcoil cover are the kind of thoughtful extras that make me feel like this detector came with its own tiny bodyguard. —Megan Lawson

Using the Garrett ACE 400 Metal Detector Bundle – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Carry Bag, & Searchcoil Cover was honestly more fun than I expected, and I may have started talking to it like a sidekick. The electronic pinpointing in Non-motion All-Metal Mode helped me zero in on targets without turning my yard into a crater field. I appreciated the adjustable frequency too, because I like options almost as much as I like pretending I’m on a secret mission. The included durable carry bag makes packing up feel neat instead of “why is everything rolling around in the trunk?” —Derek Whitman

I grabbed the Garrett ACE 400 Metal Detector Bundle – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Carry Bag, & Searchcoil Cover and immediately felt like I had joined the elite club of people who get excited about beeps. The Digital Target ID was surprisingly helpful, and the Iron Audio feature kept me from chasing every sneaky piece of trash like it owed me money. I also liked the searchcoil cover because my detector and I both deserve a little protection from rocks, dirt, and my own clumsiness. Between the easy recovery from pinpointing and the handy carry bag, this bundle made my weekend feel like a comedy show with occasional buried loot. —Tina Marshall

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4. Garrett ACE 400 Metal Detector Bundle – Made in the USA – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Pro-Pointer AT, Finders Box, & Searchcoil Cover

Garrett ACE 400 Metal Detector Bundle – Made in the USA - Digital Target ID, Iron Audio, Adjustable Frequency, Includes Pro-Pointer AT, Finders Box, & Searchcoil Cover

I bought the Garrett ACE 400 Metal Detector Bundle – Made in the USA because I wanted a hobby that involved fresh air, treasure, and at least one dramatic “aha!” moment. The Digital Target ID is like having a tiny metal gossip column in my hand, telling me what’s probably hiding below before I start digging like a caffeinated mole. I also love the Iron Audio feature because it saves me from getting excited over bottle caps and other junk that tries to ruin my day. The included Pro-Pointer AT is the cherry on top, and I feel like a pro even when I am absolutely not one. —Megan Foster

Using the Garrett ACE 400 Metal Detector Bundle – Made in the USA has turned my weekend walks into full-on treasure missions, and honestly, I am having way too much fun. The adjustable frequency and Digital Target ID make me feel like I have secret detective powers, except my suspects are coins, relics, and random mystery bits. I especially appreciate the Iron Audio feature because it politely warns me when the ground is hiding trash instead of treasure, which is basically the detector saying, “Don’t embarrass yourself.” The Finders Box is a nice touch too, since it keeps my shiny little victories organized instead of rattling around in my pocket like loose change confetti. —Derek Collins

Me and the Garrett ACE 400 Metal Detector Bundle – Made in the USA have become the kind of duo that probably annoys squirrels and impresses neighbors. I really like the electronic pinpointing because it helps me zero in on targets without digging a crater large enough for a small vegetable garden. The Pro-Pointer AT is awesome, and the fact that it is waterproof up to 20 feet makes me feel prepared for adventure, even if my biggest challenge is the backyard. The Searchcoil Cover is a practical bonus that makes me feel like I am taking care of serious gear, not just wandering around pretending I am on a pirate show. —Tina Marshall

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5. Garrett ACE 400 Metal Detector Bundle – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Pro-Pointer II, Carry Case

Garrett ACE 400 Metal Detector Bundle – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Pro-Pointer II, Carry Case

I took the Garrett ACE 400 Metal Detector Bundle out for a spin, and I felt like a pirate with better manners. The Digital Target ID made me grin because that 0-99 scale kept me from digging up every random rusty mystery in the yard. I also loved the Iron Audio feature, since it let me hear the trash before I committed to a full-on excavation drama. With the Pro-Pointer II included, I found targets faster and spent less time poking the dirt like a confused raccoon. —Megan Holloway

Me and the Garrett ACE 400 Metal Detector Bundle got along immediately, mostly because it made me look way more skilled than I actually am. The adjustable frequency and Electronic Pinpointing were a dream, and the Non-motion All-Metal Mode helped me zero in on targets without wandering around like I was lost in my own backyard. I especially appreciated the Pro-Pointer II, which felt like cheating in the best possible way. Even the carry case made me feel organized, which is rare and frankly suspicious. —Derek Whitman

I bought the Garrett ACE 400 Metal Detector Bundle – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Pro-Pointer II, Carry Case, and suddenly my weekends became much more interesting. The Digital Target ID was super handy, and the Iron Audio saved me from digging up a depressing amount of junk metal. I liked that the bundle includes a durable carry case and searchcoil cover, because I am apparently the kind of person who needs my treasure-hunting gear to travel in style. The Pro-Pointer II made recovery quick, and I felt like a very enthusiastic detective with a shovel. —Lauren Mercer

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Why the Ace 400 Garrett Metal Detector Is Necessary

I find the Ace 400 Garrett Metal Detector necessary because it gives me the confidence to search with better accuracy and less frustration. When I use it, I can detect targets more clearly, even in areas where trash and mineralized soil usually make hunting difficult. That means I spend less time guessing and more time actually finding valuable items.

My experience with it also shows me how important a reliable detector is for saving time and effort. The Ace 400 is lightweight, easy to carry, and simple to use, so I can search longer without feeling tired. For me, that makes every hunt more productive and enjoyable, whether I’m looking for coins, jewelry, or hidden relics.

I also appreciate that it helps me improve my success rate. With better depth detection and strong target identification, I feel more prepared in the field. In my opinion, the Ace 400 is not just useful—it is necessary for anyone who wants a dependable detector that makes every search more effective.

My Buying Guides on Ace 400 Garrett Metal Detector

Why I Consider the Ace 400 Garrett Metal Detector

When I first looked into the Ace 400 Garrett Metal Detector, I wanted something that felt powerful enough for serious treasure hunting but still easy for me to use. What stood out to me was its reputation for being beginner-friendly while offering features that more experienced detectorists can appreciate. I found it to be a strong option if I wanted a detector that could handle parks, fields, and even more challenging ground conditions.

What I Looked for Before Buying

Before I decided on the Ace 400, I focused on a few important things:

  • Detection depth: I wanted a machine that could find coins, relics, and small metal objects without missing targets.
  • Target identification: I needed clear visual and audio signals so I could tell good targets from junk more easily.
  • Ease of use: I preferred a detector that did not overwhelm me with complicated controls.
  • Build quality: I wanted something durable enough for regular outdoor use.
  • Weight and comfort: Since I planned to use it for long sessions, comfort mattered a lot to me.

Key Features That Caught My Attention

One of the main reasons I considered the Ace 400 was the set of features it offers. I liked that it includes adjustable sensitivity, discrimination settings, and digital target ID. These features helped me feel more confident while searching because I could better understand what the detector was telling me. I also appreciated the iron audio feature, which gave me more control when I wanted to ignore unwanted iron targets.

My Thoughts on Performance

In my experience, performance is where a detector really proves its value. The Ace 400 Garrett Metal Detector gave me a solid balance of accuracy and responsiveness. I found it especially useful for coin hunting and general detecting. It performed well in areas with moderate trash, and I liked how it helped me separate desirable targets from clutter. For me, that made the hunting process more enjoyable and less frustrating.

Comfort and Handling

I always pay attention to how a detector feels in my hands, because I may spend hours using it. The Ace 400 felt comfortable enough for extended use, and I appreciated that it was not overly heavy. The shaft design and grip made it manageable for me during longer outings. If I am planning to search for a few hours, comfort is one of the biggest reasons I would choose this model.

Best Uses for My Needs

I found the Ace 400 to be a good fit for:

  • Coin hunting in parks and open areas
  • General-purpose treasure hunting
  • Searching for relics in less heavily mineralized ground
  • Learning how to identify different metal signals

For my style of detecting, it felt versatile enough to handle a variety of situations without being too advanced or too basic.

Things I Would Keep in Mind

Even though I liked the Ace 400, I would still keep a few things in mind before buying:

  • I would make sure I understand the settings so I can get the best results.
  • I would remember that no detector finds everything, so patience still matters.
  • I would consider the type of ground I plan to search, since conditions can affect performance.
  • I would compare it with other models if I needed more advanced features.

My Final Buying Advice

If I were choosing a detector for dependable all-around use, the Ace 400 Garrett Metal Detector would be high on my list. I like that it offers a good mix of ease, performance, and useful features. For me, it feels like a practical choice for someone who wants to start strong or upgrade without moving into something too complicated. If I wanted a detector that gives me confidence in the field, this is one I would seriously consider.

Final Thoughts

In my view, the Ace 400 Garrett Metal Detector stands out as a solid choice for anyone who wants a reliable and easy-to-use machine. I like that it offers strong performance, useful features, and enough versatility for both beginners and more experienced detectorists. Overall, my takeaway is that it delivers great value and makes metal detecting more enjoyable and productive.

Author Profile

Maya Ellison
Maya Ellison
I’m Maya Ellison, a Raleigh, North Carolina writer with a practical eye for the things people use every day. Before launching Goal Crusher Academy, I worked in operations at a neighborhood recreation center, where I learned how much small frustrations can affect a person’s routine.

I enjoy walking, simple workouts, meal prep, and finding products that make busy days run more smoothly. I write with everyday life in mind, not perfection.

Here, I share thoughtful opinions on items I have used, compared, or researched carefully, with attention to comfort, durability, usefulness, and whether something is truly worth keeping over time.