---
title: "Garrett Ace 400 Metal Detector — $81K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/garrett-ace-400-metal-detector"
last_updated: "2026-08-10T00:25:19.181Z"
locale: en
meta:
  description: "Niche score 16/100 · $81K/yr market · 20K searches/yr · $424.36 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 16/100 · $81K/yr market · 20K searches/yr · $424.36 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Garrett Ace 400 Metal Detector — $81K/yr Amazon US Niche (2026) - Flapen"
---

# **garrett ace 400 metal detector**

**Skip it**

A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Market size 20Growth 13Conversion 12Competition 0Returns 28Price range 0Avg price 12Brand share 0Review moat 71Quality gap 32

**Review moat**

**Good****650.8**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Returns**

**Okay****4.7%**

return rate — above 5% kills the launch gate

**Market size**

**Bad****$81K**

$81K/yr · 20K searches

**Growth**

**Bad****-24.7%**

90-day search growth — must beat 0% to launch

**Conversion**

**Bad****0.9%**

search→purchase rate — share of searches ending in a sale

**Avg price**

**Bad****$424.36**

avg listing price — sweet spot $15–$100

**Competition**

**Bad****100%**

top-5 click share — a locked-up shelf

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

**Price range**

**Bad****$343.36–$474.75**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

According to Flapen's Amazon United States niche tracking, garrett ace 400 metal detector is a $81K/yr Amazon United States market (20K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Dec. Verdict: Skip it — 16/100.

Data updated Jul 16, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **garrett ace 400 metal detector market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**250–500**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$106K–$212K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**0.9%**</dd>

<dt>**Avg BSR**</dt><dd>**#197**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**100%**</dd>

<dt>**Out of stock**</dt><dd>**4.4%**</dd>

<dt>**Avg brand age**</dt><dd>**58 months**</dd>

<dt>**Avg seller age**</dt><dd>**197 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**1 **—flat

**Sellers**

**2**

**Top-5 brand share**

**100%**

Top 20: 100%

**Top-5 click share**

**100%**

Top 20: 100%

**Open market**

**0%**

- Garrett Metal Detectors100%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -24.7% search growth over the last 90 days.

900700Holiday '24Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 1.9×

[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/garrett-ace-400-metal-detector/trend)

## **Top garrett ace 400 metal detector products on Amazon**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%20%$16K40%$32K60%$49K80%$65K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 5 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Garrett ACE 400 Metal Detector Made in the USA - Digital Target ID Iron Audio Adjustable Frequency Electronic Pinpointing Includes Searchcoil Cover](https://m.media-amazon.com/images/I/51f+9h6O5VL.jpg)**Garrett ACE 400 Metal Detector Made in the USA - Digital Target ID Iron Audio Adjustable Frequency Electronic Pinpointing Includes Searchcoil Cover**Garrett Metal Detectors**$343.36**4.6★1,179 rev](https://www.amazon.com/dp/B076R95BLG) [2![Garrett ACE 400 Metal Detector Bundle Made in the USA - Digital Target ID Iron Audio Adjustable Frequency Includes Pro-Pointer AT & Searchcoil Cover](https://m.media-amazon.com/images/I/517zH8ht78L.jpg)**Garrett ACE 400 Metal Detector Bundle Made in the USA - Digital Target ID Iron Audio Adjustable Frequency Includes Pro-Pointer AT & Searchcoil Cover**Garrett Metal Detectors**$463.13**4.5★126 rev](https://www.amazon.com/dp/B08NRPCWLD) [3![Garrett ACE 400 Metal Detector Bundle Digital Target ID Iron Audio Adjustable Frequency Includes Carry Bag & Searchcoil Cover](https://m.media-amazon.com/images/I/51Lk8PQMv+L.jpg)**Garrett ACE 400 Metal Detector Bundle Digital Target ID Iron Audio Adjustable Frequency Includes Carry Bag & Searchcoil Cover**Garrett Metal Detectors**$371.05**4.6★815 rev](https://www.amazon.com/dp/B01FSVNSIQ) [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](https://m.media-amazon.com/images/I/51T0v0gBZtL.jpg)**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 Metal Detectors**$469.53**4.7★946 rev](https://www.amazon.com/dp/B07RDZTPWD) [5![Garrett ACE 400 Metal Detector Bundle Digital Target ID Iron Audio Adjustable Frequency Includes Pro-Pointer II Carry Case](https://m.media-amazon.com/images/I/51xgMwzx5XL.jpg)**Garrett ACE 400 Metal Detector Bundle Digital Target ID Iron Audio Adjustable Frequency Includes Pro-Pointer II Carry Case**Garrett Metal Detectors**$474.75**4.4★188 rev](https://www.amazon.com/dp/B01FSYW000)

### **Newest**

by launch date

[![Garrett ACE 400 Metal Detector Bundle Made in the USA - Digital Target ID Iron Audio Adjustable Frequency Includes Pro-Pointer AT & Searchcoil Cover](https://m.media-amazon.com/images/I/517zH8ht78L.jpg)**Garrett ACE 400 Metal Detector Bundle Made in the USA - Digital Target ID Iron Audio Adjustable Frequency Includes Pro-Pointer AT & Searchcoil Cover**Garrett Metal Detectors**$463.13**126 rev5y ago](https://www.amazon.com/dp/B08NRPCWLD) [![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](https://m.media-amazon.com/images/I/51T0v0gBZtL.jpg)**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 Metal Detectors**$469.53**946 rev7y ago](https://www.amazon.com/dp/B07RDZTPWD) [![Garrett ACE 400 Metal Detector Bundle Digital Target ID Iron Audio Adjustable Frequency Includes Carry Bag & Searchcoil Cover](https://m.media-amazon.com/images/I/51Lk8PQMv+L.jpg)**Garrett ACE 400 Metal Detector Bundle Digital Target ID Iron Audio Adjustable Frequency Includes Carry Bag & Searchcoil Cover**Garrett Metal Detectors**$371.05**815 rev10y ago](https://www.amazon.com/dp/B01FSVNSIQ) [![Garrett ACE 400 Metal Detector Bundle Digital Target ID Iron Audio Adjustable Frequency Includes Pro-Pointer II Carry Case](https://m.media-amazon.com/images/I/51xgMwzx5XL.jpg)**Garrett ACE 400 Metal Detector Bundle Digital Target ID Iron Audio Adjustable Frequency Includes Pro-Pointer II Carry Case**Garrett Metal Detectors**$474.75**188 rev10y ago](https://www.amazon.com/dp/B01FSYW000) [![Garrett ACE 400 Metal Detector Made in the USA - Digital Target ID Iron Audio Adjustable Frequency Electronic Pinpointing Includes Searchcoil Cover](https://m.media-amazon.com/images/I/51f+9h6O5VL.jpg)**Garrett ACE 400 Metal Detector Made in the USA - Digital Target ID Iron Audio Adjustable Frequency Electronic Pinpointing Includes Searchcoil Cover**Garrett Metal Detectors**$343.36**1,179 rev10y ago](https://www.amazon.com/dp/B076R95BLG)

### **Trending**

90-day click momentum

[![Garrett ACE 400 Metal Detector Bundle Made in the USA - Digital Target ID Iron Audio Adjustable Frequency Includes Pro-Pointer AT & Searchcoil Cover](https://m.media-amazon.com/images/I/517zH8ht78L.jpg)**Garrett ACE 400 Metal Detector Bundle Made in the USA - Digital Target ID Iron Audio Adjustable Frequency Includes Pro-Pointer AT & Searchcoil Cover**Garrett Metal Detectors**$463.13**4.5★**▲ 75%**](https://www.amazon.com/dp/B08NRPCWLD) [![Garrett ACE 400 Metal Detector Made in the USA - Digital Target ID Iron Audio Adjustable Frequency Electronic Pinpointing Includes Searchcoil Cover](https://m.media-amazon.com/images/I/51f+9h6O5VL.jpg)**Garrett ACE 400 Metal Detector Made in the USA - Digital Target ID Iron Audio Adjustable Frequency Electronic Pinpointing Includes Searchcoil Cover**Garrett Metal Detectors**$343.36**4.6★**— 8%**](https://www.amazon.com/dp/B076R95BLG) [![Garrett ACE 400 Metal Detector Bundle Digital Target ID Iron Audio Adjustable Frequency Includes Carry Bag & Searchcoil Cover](https://m.media-amazon.com/images/I/51Lk8PQMv+L.jpg)**Garrett ACE 400 Metal Detector Bundle Digital Target ID Iron Audio Adjustable Frequency Includes Carry Bag & Searchcoil Cover**Garrett Metal Detectors**$371.05**4.6★**▼ 31%**](https://www.amazon.com/dp/B01FSVNSIQ) [![Garrett ACE 400 Metal Detector Bundle Digital Target ID Iron Audio Adjustable Frequency Includes Pro-Pointer II Carry Case](https://m.media-amazon.com/images/I/51xgMwzx5XL.jpg)**Garrett ACE 400 Metal Detector Bundle Digital Target ID Iron Audio Adjustable Frequency Includes Pro-Pointer II Carry Case**Garrett Metal Detectors**$474.75**4.4★**▼ 47%**](https://www.amazon.com/dp/B01FSYW000) [![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](https://m.media-amazon.com/images/I/51T0v0gBZtL.jpg)**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 Metal Detectors**$469.53**4.7★**▼ 58%**](https://www.amazon.com/dp/B07RDZTPWD)

## **What buyers say about garrett ace 400 metal detector**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**27%

*“Seems well made”*

**Ease Of Use**27%

*“Easy to use”*

**Advertised Vs Actual Product**15%

*“everything was as ordered”*

**Value For Money**4%

*“Best detector for the money”*

**Weight Light**4%

*“Lightweight”*

**Measurement/Reading Accuracy**4%

*“Excellent detector”*

**Comfort-Overall**4%

*“Easy to use, comfortable grip”*

**Grip**4%

*“comfortable grip”*

**Locally Manufactured**4%

*“made in USA a plus”*

**Assembly/Installation**3%

*“It is a nice set up”*

### **What buyers complain about **

**Defective Material/Parts**33%

*“Item came missing parts”*

**Product Condition**17%

*“Item sent to me was used”*

**Functionality-Overall**17%

*“It was not functional”*

**Instructions/User Manual/Troubleshooting**11%

*“it takes a little time to learn how to use it”*

**Ease Of Use**11%

*“A little learning curve with using this tool”*

### **Top return reasons **

**Functionality-Overall**18%

**Defective Material/Parts**15%

**Product Condition**13%

**Advertised Vs Actual Product**12%

**Value For Money**11%

**Metal Quality**10%

**Quality-Overall**4%

**Water Resistance**4%

**Measurement/Reading Accuracy**3%

**Mounting**3%

## **Common questions**

<dl>

<dt>**Is garrett ace 400 metal detector profitable to sell on Amazon United States?**</dt><dd>The niche generates $81K/yr across 5 tracked products. 90-day search growth is -24.7%. Flapen's verdict: Skip it (16/100).</dd>

<dt>**How competitive is the garrett ace 400 metal detector niche?**</dt><dd>1 brands and 2 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.</dd>

<dt>**What do buyers complain about in garrett ace 400 metal detector?**</dt><dd>Top complaints mined from reviews: Defective Material/Parts, Product Condition, Functionality-Overall. The return rate is 4.7%.</dd>

<dt>**When does demand for garrett ace 400 metal detector peak?**</dt><dd>Demand peaks in Dec; the busiest month runs 1.9× the quietest.</dd>

<dt>**What does it cost to enter the garrett ace 400 metal detector niche?**</dt><dd>Listings span $343.36–$474.75; the average listing price is $424.36 (sweet spot $15–$100). The average incumbent carries 651 reviews — the moat a new listing must climb.</dd>

</dl>

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