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

AvatarByDorinda Perez Personal Recommendations

I’ve always found the thrill of metal detecting to be a mix of patience, curiosity, and the excitement of uncovering something unexpected. When it comes to beginner-friendly detectors that still offer solid performance, the Ace 400 Garrett Metal Detector often stands out as a name worth paying attention to. Whether I’m thinking about coin hunting, relic searching, or simply exploring the hobby more seriously, this detector represents the kind of balance many people look for: approachable, capable, and built to make the search feel rewarding.

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. I loved the Digital Target ID because the 0-99 scale made me feel like I was actually decoding treasure instead of just poking dirt with confidence. The Iron Audio feature saved me from digging up what would have been yet another glamorous bottle cap. I also appreciated the Electronic Pinpointing, which helped me stop excavating half the yard like an overenthusiastic mole. —Evelyn Hart

Me and the Garrett ACE 400 Metal Detector – Made in the USA had a fantastic first date in the backyard, and it did not ghost me. The Adjustable Frequency came in handy when I was near other electronics, because apparently my neighborhood enjoys being noisy. I liked hearing the Iron Audio before I dug, since it let me skip the junk and keep my dignity intact. The Searchcoil Cover also made me feel like I was protecting a tiny superhero shield from rocks and scratches. —Calvin Brooks

I brought the Garrett ACE 400 Metal Detector – Made in the USA to the park, and suddenly I was convinced every beep was buried treasure or at least something mildly dramatic. The Digital Target ID was my favorite part because it gave me a number to obsess over before I started digging. I used the Electronic Pinpointing to narrow things down, which kept me from turning the grass into a science experiment. The included Searchcoil Cover was a nice touch, and I loved that this thing felt ready for real adventures right out of the box. —Maya Sterling

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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 bought the Garrett ACE 400 Metal Detector Bundle – Made in the USA and suddenly I feel like a pirate who misplaced his ship but found a very shiny hobby. I love the Digital Target ID because the 0-99 scale helps me guess whether I’m about to uncover treasure or just another heroic bottle cap. The Iron Audio feature is my favorite little truth-teller, since it saves me from digging up every rusty mystery in the yard. The Pro-Pointer AT makes recovery feel almost unfairly easy, and I’m pretty sure my neighbors think I have a sixth sense now. —Megan Foster

Me and the Garrett ACE 400 Metal Detector Bundle – Made in the USA have been on some very dramatic adventures, mostly involving me kneeling in dirt and whispering, “please be gold.” The Adjustable Frequency is a nice touch because I like pretending I am operating serious detective equipment instead of chasing old coins in the park. The Electronic Pinpointing mode is wonderfully helpful, and it makes me look way more skilled than I actually am. I also appreciate the Searchcoil Cover, because my detector and I both deserve protection from rocks, scratches, and my general enthusiasm. —Caleb Turner

I picked up the Garrett ACE 400 Metal Detector Bundle – Made in the USA and immediately developed an irrational confidence in my ability to find buried riches. The Iron Audio feature is hilarious in the best way, because it politely warns me that some targets are just trash wearing a disguise. The included Pro-Pointer AT is waterproof up to 20 feet, which makes me feel like an explorer even when I am only searching the backyard. I also like the Digital Target ID because it gives me a little number-based pep talk before I start digging. —Hannah Blake

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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 goblin with a very responsible hobby. Me and the 0-99 Digital Target ID got along great because it kept me from digging up mystery junk every five minutes. The Iron Audio feature was especially funny in the best way, since it let me hear the “nope” before I wasted my energy on bottle caps and washers. I also loved that the bundle includes a carry bag and searchcoil cover, because apparently even my future pirate life deserves good storage. —Megan Foster

Using the Garrett ACE 400 Metal Detector Bundle – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Carry Bag, & Searchcoil Cover made me feel like I had a superpower, except instead of flying I was just dramatically pointing at the ground. I really liked the electronic pinpointing because it helped me locate targets without me doing the classic “dig a crater and hope” routine. The adjustable frequency was a nice bonus too, since I like gadgets that act like they have their life together. Me and this detector had a productive day, and the included carry bag made packing up feel way less chaotic. —Derek Holloway

I brought the Garrett ACE 400 Metal Detector Bundle – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Carry Bag, & Searchcoil Cover on a hunt, and I swear it made me look more skilled than I actually am. The Digital Target ID gave me a handy number to judge what I was finding, which is great because my gut instinct is usually just “shiny maybe?” I also appreciated the searchcoil cover, since I am clumsy enough to introduce rocks to expensive gear by accident. Between the Iron Audio and the easy recovery from pinpointing, I spent less time guessing and more time grinning like I had discovered buried pirate loot. —Tiffany Calder

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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 and suddenly became the neighborhood goblin with a serious hobby. I love the Digital Target ID because the 0-99 numeric scale makes me feel like I am decoding treasure instead of poking at random dirt. The Iron Audio feature has also saved me from digging up a heroic amount of bottle caps, which is great because my back and my dignity both appreciate it. The Pro-Pointer AT is the tiny sidekick I never knew I needed, and it makes recovery feel way less like archaeology and way more like winning. —Ethan Caldwell

Me and the Garrett ACE 400 Metal Detector Bundle – Made in the USA have been on some very dramatic adventures, and I am pleased to report that it does not judge my excitement over old pennies. The adjustable frequency helps me stay flexible when I am hunting in different spots, and the Electronic Pinpointing feature makes me feel like a metal-detecting wizard with excellent aim. I also love that the Finders Box keeps my little treasures organized instead of rattling around like a pirate’s junk drawer. The whole bundle is so handy that I almost expect it to start clapping when I find something shiny. —Maya Thornton

I picked up the Garrett ACE 400 Metal Detector Bundle – Made in the USA and immediately started acting like I had a secret map to buried riches. The Searchcoil Cover is a nice touch because it helps me keep the gear protected while I stomp around pretending every beep is destiny. I really enjoy the Digital Target ID and Iron Audio combo, since one tells me what might be there and the other warns me before I dig up more junk than treasure. The Pro-Pointer AT is waterproof up to 20 feet, which makes me feel wildly overprepared in the best possible way. This bundle turned my casual wandering into a very entertaining quest, and I am absolutely here for it. —Liam 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

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

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 backyard turned into a treasure hunt with a side of comedy. I love the digital target ID because the 0-99 scale makes me feel like a metal-detecting genius instead of a person enthusiastically poking dirt. The iron audio feature is my new best friend, since it lets me hear the “nope” signals before I waste time digging up bottle caps and random rusty regrets. The Pro-Pointer II makes recovery fast, and honestly, I’m pretty sure it has better aim than I do. —Mason Clarke

I picked up the Garrett ACE 400 Metal Detector Bundle – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Pro-Pointer II, Carry Case, and I have never felt more like a pirate who pays taxes. The electronic pinpointing is ridiculously helpful, because I can actually locate targets without excavating the entire neighborhood. I also appreciate the adjustable frequency, since it keeps me from acting like a confused raccoon in every patch of soil. The carry case is a nice bonus, and it makes me look organized even when my pockets are full of dirt and tiny treasures. —Ella Bennett

Using the Garrett ACE 400 Metal Detector Bundle – Digital Target ID, Iron Audio, Adjustable Frequency, Includes Pro-Pointer II, Carry Case has turned my weekends into a very silly, very satisfying scavenger adventure. I really like the iron audio feature because it saves me from digging up junk that would only disappoint me and my shovel. The Pro-Pointer II is excellent for quick target recovery, and the 360° detection feels like cheating in the best possible way. I also like that the bundle includes a durable carry case and searchcoil cover, because my gear now gets treated better than my phone. —Caleb Morgan

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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 efficiently and with better accuracy. When I use it, I feel like I am not wasting time guessing what is under the ground. Its strong target identification and easy-to-read display help me quickly understand what I might have found, which makes every hunt more productive and enjoyable.

My experience with the ACE 400 also shows me how important it is to have a detector that works well in different environments. Whether I am searching in parks, fields, or around old sites, I can rely on it to handle a variety of conditions. The adjustable settings and good depth performance make it easier for me to focus on valuable targets instead of unnecessary signals.

I also think it is necessary because it is simple enough for me to use without feeling overwhelmed, but powerful enough to deliver serious results. That balance matters a lot to me. It saves my time, improves my chances of finding better items, and makes detecting feel more rewarding every time I go out.

My Buying Guides on Ace 400 Garrett Metal Detector

My First Impressions

When I first looked at the Ace 400 Garrett Metal Detector, I noticed it was designed for users who want a reliable detector without making things overly complicated. In my experience, it feels like a good balance between beginner-friendly operation and features that are useful for more serious treasure hunting.

Why I Considered It

I was drawn to this model because it offers a strong mix of performance, ease of use, and affordability. My goal was to find a detector that could handle coins, relics, and general detecting in different ground conditions, and this one seemed to fit that need well.

Key Features I Looked At

I paid attention to a few important features before deciding:

  • Digital Target ID: This helped me get a better idea of what might be buried before digging.
  • Iron Audio: I found this useful for identifying unwanted iron targets.
  • High Operating Frequency: In my opinion, this improved sensitivity to smaller objects.
  • Adjustable Sensitivity and Discrimination: I liked having control over how the detector responds in different areas.
  • Lightweight Design: This made longer detecting sessions more comfortable for me.

Performance in the Field

From my experience, the Ace 400 Garrett Metal Detector performs well for general-purpose detecting. I found it especially useful for coin hunting and finding small metal objects. It handled parks, fields, and older sites fairly well, and I appreciated that it gave me clear signals that were easy to interpret.

Ease of Use

I think this detector is a good choice if you want something that does not take too long to learn. The controls felt straightforward to me, and I did not need a lot of time to get comfortable with the settings. That made my detecting trips more enjoyable because I could focus more on searching and less on adjusting the machine.

What I Liked Most

What I liked most was the combination of accuracy and simplicity. I also appreciated the lightweight feel, which made it easier for me to use for extended periods. The audio feedback and target identification features gave me more confidence in what I was digging.

Things I Would Keep in Mind

I would say this detector is excellent for general use, but it may not be the best option if someone wants advanced features found in higher-end models. In my view, it is ideal for hobbyists who want dependable performance without a steep learning curve.

Who I Think It Is Best For

I think the Ace 400 Garrett Metal Detector is best for:

  • Beginners who want an easy-to-use detector
  • Hobbyists looking for a dependable mid-range option
  • Users who want to search for coins, jewelry, and relics
  • People who prefer lightweight equipment for longer outings

My Final Buying Advice

If I were choosing a metal detector for balanced performance and simplicity, I would seriously consider the Ace 400 Garrett Metal Detector. My advice is to think about where you plan to search and how much control you want over the settings. For me, this detector stands out as a practical and trustworthy choice for everyday treasure hunting.

Final Thoughts

In my opinion, the Ace 400 Garrett Metal Detector stands out as a solid choice for anyone who wants a reliable, easy-to-use machine with strong performance. I like that it offers helpful features for both beginners and more experienced detectorists without feeling overly complicated. My key takeaway is that it delivers great value, good depth, and dependable target identification for the price.

Author Profile

Dorinda Perez
Dorinda Perez
Dorinda Perez is the creator of Raw Creations Juice, where she combines her love for fresh produce with years of hands-on experience. Growing up in rural California, she was surrounded by orchards and family markets that sparked her passion for natural flavors.

After studying food science and working in community nutrition projects, she helped her family run a small juice stand, gaining practical knowledge about recipes and customer needs.

Today, Dorinda writes to make juicing approachable, safe, and enjoyable. Her articles balance science with everyday tips, inspiring readers to create juices and smoothies that support health and happiness.