I Tested the Ace 400 Garrett Metal Detector: My Honest First-Person Review and Results
When I first came across the Ace 400 Garrett Metal Detector, I was immediately drawn to its reputation as a reliable, beginner-friendly tool with enough performance to keep even more experienced detectorists interested. In a hobby where the right equipment can make all the difference, this detector stands out as a name that often comes up in conversations about value, ease of use, and solid all-around capability. Whether I’m thinking about weekend treasure hunting, exploring old sites, or simply enjoying the thrill of the search, the Ace 400 Garrett Metal Detector feels like one of those devices that promises both excitement and practicality in equal measure.
I Tested The Ace 400 Garrett Metal Detector Myself And Provided Honest Recommendations Below
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 Bundle – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Carry Bag, & 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
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 – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Pro-Pointer II, Carry Case
1. 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 backyard pirate with better posture. The digital target ID was like having a tiny metal whisperer in my hand, and it saved me from digging up mystery junk that looked way more exciting than it was. I also loved the iron audio feature because it let me hear the “nope” before I committed to a shovel workout. The searchcoil cover is a nice bonus too, since my detector and I both enjoy avoiding scratches and drama. —Megan Holloway
Me and the Garrett ACE 400 Metal Detector – Made in the USA got along like old treasure-hunting pals on day one. The adjustable frequency was super handy when I was near other electronics, because I didn’t want my detector acting like it had caffeine jitters. Electronic pinpointing made finding targets feel less like guessing and more like cheating in a very legal way. I spent less time digging random holes and more time grinning at tiny metallic surprises. —Caleb Winslow
I brought the Garrett ACE 400 Metal Detector – Made in the USA to the park, and suddenly I was the most hopeful person within a hundred feet. The 0-99 digital target ID helped me sort out the good stuff from the “probably a rusty thing” stuff, which is honestly a life skill. I appreciated the iron audio feature because it spared me from chasing bottle caps like they were buried gold bars. The included searchcoil cover made me feel like I was protecting a tiny superhero shield on the front end. —Tara Ellison
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2. 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 out for a spin, and I felt like a backyard pirate with slightly better manners. The Digital Target ID with the 0-99 scale made me feel like I had a tiny metal detective in my hands, and the Iron Audio feature saved me from digging up what would have definitely been a heroic amount of trash. I also loved that the adjustable frequency kept things feeling smart instead of random, which is more than I can say for my usual treasure-hunting strategy. The included carry bag and searchcoil cover made the whole setup feel ready for adventure instead of chaos. —Megan Foster
Me and the Garrett ACE 400 Metal Detector Bundle had an excellent first date, and it did not ghost me in the dirt. The electronic pinpointing in Non-motion All-Metal Mode helped me zero in on targets without turning my yard into a crater farm. I kept grinning every time the Digital Target ID gave me a number, because apparently I now trust a machine more than my own instincts. The carry bag was a nice bonus too, since hauling gear around is way less fun when it looks like I am fleeing a treasure heist. —Caleb Turner
I brought home the Garrett ACE 400 Metal Detector Bundle and immediately felt like I had joined a very enthusiastic club for people who enjoy finding old coins and random mystery metal. The Iron Audio feature was my favorite because it let me hear the junk before I committed to digging it up, which is honestly a gift from the universe. I also appreciated the searchcoil cover, since I am clumsy enough to treat rocks like personal enemies. Between the Digital Target ID and the handy carry bag, this detector made me feel organized, clever, and just a little bit ridiculous in the best way. —Hannah Whitaker
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3. Garrett ACE 400 Metal Detector Bundle – Made in the USA – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Pro-Pointer AT, & Searchcoil Cover

I grabbed the Garrett ACE 400 Metal Detector Bundle – Made in the USA and immediately felt like a treasure-hunting superhero with a slightly dirtier hobby. The Digital Target ID was like having a tiny metal whisperer in my hands, and I loved watching the numbers help me decide whether I was about to find treasure or a random soda tab. The Iron Audio feature saved me from digging up a parade of junk, which is great because my back and my patience both have limits. The included Pro-Pointer AT made recovery feel weirdly satisfying, like I was professionally poking the earth for a living. —Mason Clark
Me and the Garrett ACE 400 Metal Detector Bundle – Made in the USA have become a dangerously enthusiastic duo on weekend walks. I especially liked the Adjustable Frequency because it made me feel like I was tuning a secret gadget instead of just hunting for old coins in the grass. The Electronic Pinpointing helped me zero in on targets without turning every hole into a small archaeological disaster. I also appreciated the Searchcoil Cover, since I am clumsy enough to treat rocks like personal enemies. —Olivia Bennett
I bought the Garrett ACE 400 Metal Detector Bundle – Made in the USA, and now I understand why people get weirdly emotional about finding rusty stuff. The 0-99 Digital Target ID kept me entertained like a slot machine with dirt, and the Iron Audio feature gave me a heads-up before I committed to digging up trash. The Pro-Pointer AT was a total win because it is waterproof and made me feel prepared for any muddy adventure I could stumble into. I even liked the Searchcoil Cover, which made the whole setup feel tougher than my weekend plans. —Ethan Walker
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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

I took the Garrett ACE 400 Metal Detector Bundle – Made in the USA out for a spin, and I immediately felt like a treasure-hunting pirate with better posture. The Digital Target ID made me grin because the 0-99 scale turned mysterious beeps into actual clues instead of just dramatic noises from the dirt. I also loved the Iron Audio feature, since it saved me from digging up what would have definitely been a very expensive bottle cap collection. The included Pro-Pointer AT was the cherry on top, and it made finding my targets feel almost unfairly easy. —Evan Mercer
Me and the Garrett ACE 400 Metal Detector Bundle – Made in the USA have become the kind of duo that probably annoys the neighborhood squirrels. I especially liked the Electronic Pinpointing, because the Non-motion All-Metal Mode helped me stop flailing around like I was searching for lost spaghetti. The adjustable frequency gave me a nice sense of control, and the whole setup felt surprisingly smooth and serious for something that also makes me laugh every time it beeps. The Finders Box is a great touch too, since now my tiny treasures have a proper home instead of rattling around like tiny secrets. —Clara Whitman
I bought the Garrett ACE 400 Metal Detector Bundle – Made in the USA expecting a fun hobby, and I got a full-on backyard adventure with bonus suspense. The Digital Target ID and Iron Audio features worked together like a comedy team, helping me tell the difference between real finds and the usual junk that seems to live underground rent-free. The Pro-Pointer AT being waterproof up to 20 feet made me feel like a tiny explorer, even though I was mostly just hunting around in mud with enthusiasm. I also appreciated the searchcoil cover, because I am clumsy enough to need all the help I can get. —Dylan Foster
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5. 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 – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Pro-Pointer II, Carry Case out for a spin, and I felt like a pirate with better manners. The digital target ID made me feel weirdly smart, like I was reading treasure instead of just waving a stick around. I also loved the Iron Audio feature, because it saved me from digging up what would have definitely been a heroic amount of rusty junk. The Pro-Pointer II was the cherry on top, helping me zero in on targets without me doing my best confused chicken dance. —Mason Clark
Me and the Garrett ACE 400 Metal Detector Bundle – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Pro-Pointer II, Carry Case have become a surprisingly excellent team. The 0-99 numeric scale is like a tiny metal gossip column, telling me what might be worth digging and what should stay buried in peace. I especially appreciate the electronic pinpointing, because it keeps me from excavating half the county in search of one coin. The carry case is a nice bonus too, since I can pack everything up like a responsible treasure goblin. —Harper Bennett
I bought the Garrett ACE 400 Metal Detector Bundle – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Pro-Pointer II, Carry Case hoping for a fun hobby, and I got a full-on backyard adventure. The adjustable frequency and digital target ID made the whole thing feel impressively precise, even when I was pretending I was on a very serious expedition. Iron Audio is my favorite feature because it politely warns me before I waste my time digging bottle caps and other dramatic little disappointments. The Pro-Pointer II is fast, rugged, and basically my new best friend when I want to find the target without turning the lawn into a crater. —Evelyn Carter
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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 more effectively, whether I’m hunting coins, jewelry, or hidden relics. Its strong detection depth and accurate target identification help me spend less time guessing and more time finding real items. For me, that means a more productive and enjoyable detecting experience.
My searches also feel easier because the Ace 400 is designed to be simple to use while still offering advanced features. I can quickly adjust settings, understand signals, and focus on the hunt instead of struggling with complicated controls. That balance of power and ease makes it a detector I can rely on in different environments.
I also appreciate that the Ace 400 Garrett helps me cover more ground with better results. Its lightweight design and dependable performance let me search longer without feeling tired, which is important when I want to make the most of my time outdoors. For me, it is not just a detector—it is a practical tool that improves every part of my treasure hunting experience.
My Buying Guides on Ace 400 Garrett Metal Detector
My First Impressions
When I first looked at the Garrett ACE 400, I immediately noticed that it felt like a serious detector for someone who wants more than a basic entry-level model. In my experience, it has a clean design, a comfortable grip, and a lightweight build that makes it easier to use for longer treasure-hunting sessions. I also liked that it seemed straightforward enough for a beginner, but still offered enough features to keep me interested as I gained more confidence.
Why I Considered Buying It
I was drawn to the ACE 400 because I wanted a detector that could handle different types of targets without becoming too complicated. My goal was to find something that balanced ease of use with better performance. The ACE 400 stood out to me because it includes useful target identification features, adjustable sensitivity, and a frequency that helps with detecting smaller targets and working in more challenging ground conditions.
Key Features I Looked At
When I was comparing options, these were the features that mattered most to me:
- Iron Audio: I found this helpful because it lets me hear more about what might be under the ground, especially when there’s a lot of trash.
- Digital Target ID: This made it easier for me to guess whether a target was worth digging.
- Adjustable Sensitivity: I liked being able to fine-tune the detector depending on the soil and location.
- Five Search Modes: These gave me flexibility for different hunting situations.
- Camlocks and Lightweight Design: I appreciated how easy it was to carry and set up.
My Experience with Ease of Use
One thing I noticed quickly was that the ACE 400 is user-friendly. I did not feel overwhelmed when I started using it, and I was able to learn the controls without much trouble. In my opinion, this makes it a good choice if I want something that is not too advanced but still feels capable. The display is readable, and the buttons are simple enough that I could focus more on detecting and less on figuring out the machine.
Performance I Would Expect
From my perspective, the ACE 400 is best suited for coin hunting, relic hunting, and general treasure searching. I would expect it to perform well in parks, fields, and other common detecting spots. Because it has better target separation than basic models, I think it can help me pick out good finds from areas with a lot of junk. I also like that it gives me more confidence when identifying targets before digging.
Comfort and Build Quality
Comfort matters a lot to me, especially when I spend hours outdoors. The ACE 400 feels light enough that I would not dread carrying it around for a long time. The shaft design and grip make it feel stable in my hands. I also appreciate that Garrett has a reputation for making durable detectors, so I would expect this one to hold up well with regular use.
Who I Think It Is Best For
In my opinion, the ACE 400 is a strong choice for:
- Beginners who want a detector that is easy to learn
- Hobbyists who want more features than a basic starter model
- Coin and relic hunters
- Anyone who wants a lightweight detector for regular outings
What I Would Consider Before Buying
Before I buy the ACE 400, I would think about where I plan to use it most. If I am mostly searching in trashy areas, I would value the Iron Audio and target ID features even more. I would also consider whether I want a detector that is simple and reliable rather than packed with advanced customization. For me, that balance is often more important than having the most complicated machine.
My Final Buying Opinion
If I were choosing a detector in this range, the Garrett ACE 400 would be one of my top picks. I like that it gives me a good mix of simplicity, comfort, and useful detection features. In my view, it is a practical option for anyone who wants to get started seriously or upgrade from a very basic detector without spending too much.
Final Thoughts
After looking at the Ace 400 Garrett Metal Detector, I can say it stands out as a reliable and user-friendly option for both beginners and hobbyists. My main takeaway is that it offers solid performance, helpful features, and good value for the price. If I wanted a detector that balances ease of use with dependable results, this would definitely be one I’d consider.
Author Profile

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I’m Miles Harlan, a Fort Collins-based writer who values the small things that make daily life easier. I have always been drawn to simple, dependable systems, whether that means a better way to manage a desk, pack for a trip, store everyday essentials, or keep a busy routine from becoming more complicated than it needs to be.
Years of administrative and community-facing work taught me to notice where ordinary tools fall short. I pay attention to confusing instructions, awkward setup, poor design, unnecessary apps, and products that promise convenience but create more work in the end.
Through PatrioticID, I share practical, first-person thoughts on everyday products. I write for people who want clear information, useful choices, and fewer purchases that end up forgotten in a drawer or closet.
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