---
title: "Emi Filter — $226K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/emi-filter"
last_updated: "2026-08-11T19:14:56.140Z"
locale: en
meta:
description: "Niche score 44/100 · $226K/yr market · 71K searches/yr · $63.62 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · $226K/yr market · 71K searches/yr · $63.62 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Emi Filter — $226K/yr Amazon US Niche (2026) - Flapen"
---
# **emi filter**
**Skip it**
Brand-locked demand (top 5 brands take 96% of clicks) — this niche doesn't clear our bar today.
Market size 43Growth 28Conversion 58Competition 28Returns 76Price range 54Avg price 88Brand share 10Review moat 61Quality gap 43
**Avg price**
**Great****$63.62**
avg listing price — sweet spot $15–$100
**Returns**
**Great****2.0%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****1,058.3**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Good****5.0%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Good****$9.96–$166.45**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****$226K**
$226K/yr · 71K searches
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+2.3%**
90-day search growth — must beat 0% to launch
**Competition**
**Okay****68%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Bad****96%**
top-5 brand share — brand-locked demand
**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, emi filter is a $226K/yr Amazon United States market (71K searches/yr). The top 5 brands hold 96% of demand. Verdict: Skip it — 44/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **emi filter market data**
- **Units sold / yr**
- **4K–5K**
- avg 100–250/product
- **Revenue / yr**
- **$254K–$318K**
- units × avg price
- **Conversion rate**
- **5.0%**
- **Avg BSR**
- **#451**
- **Page quality**
- **0%**
- **Prime**
- **90%**
- **Sponsored**
- **65%**
- **Out of stock**
- **4.9%**
- **Avg brand age**
- **57 months**
- **Avg seller age**
- **180 days**
## **Competition & brand share**
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**7 **▼falling
**Sellers**
**143**
**Top-5 brand share**
**96%**
Top 20: 100%
**Top-5 click share**
**68%**
Top 20: 100%
**Open market**
**2%**
- TRIPP LITE81% - LCLCTC5% - uxcell4% - E-outstanding3% - Belkin3% - briidea2% - Open — no brand owns it (1 brand, 2%)
## **Demand & seasonality**
Weekly Amazon search volume, last 54 weeks — +2.3% search growth over the last 90 days.
2K1KPrime Day '25Black Friday '25Spike '26 seasonJulAugSepOctNovDecJanFebMarAprMayJun
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/electronics/emi-filter/trend)
## **Top emi filter search terms**
- **tripp lite isobar**25K/yr+8.1%4.1% conv. - **emi filter**13K/yr-2.9%1.6% conv. - **isobar**13K/yr+0.1%2.9% conv. - **isobar surge protector**10K/yr+5.5%4.0% conv. - **tripp lite isobar surge protector**4K/yr-2.8%4.7% conv. - **ac line filter**3K/yr+6.2%0.7% conv. - **emi filter for led lights**3K/yr-25.0%0.8% conv. [**All search terms **](https://flapen.com/research/us/electronics/emi-filter/search-terms)
## **Top emi filter 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%10%$23K20%$45K30%$68K40%$90K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 20 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Tripp Lite ISOBAR8ULTRA Isobar 8 Outlet Heavy Duty Power Strip Surge Protector 3840 Joules 12ft Cord Flat Plug Metal Power Strip Industrial Garage Work Shop Bench Under Desk and Wall Mountable**TRIPP LITE**$94.24**4.6★3,278 rev](https://www.amazon.com/dp/B0000511U7) [2**Tripp Lite Isobar ISOBLOK2-0 Heavy Duty Outlet Extender Wall Power Strip Surge Protector 2 Outlets Direct Plug-in White Metal Power Strip Industrial Garage Work Shop Bench**TRIPP LITE**$43.35**4.5★2,789 rev](https://www.amazon.com/dp/B0000510R4) [3**Tripp Lite ISOBAR4ULTRA Isobar 4 Outlet Heavy Duty Power Strip Surge Protector 3330 Joules 6ft Cord Flat Plug Metal Power Strip Industrial Garage Work Shop Bench Under Desk and Wall Mountable**TRIPP LITE**$77.82**4.6★1,015 rev](https://www.amazon.com/dp/B0000513O4) [4**120V Power EMI line filte Noise Suppressor for Home Appliances Industrial & Medical Equipment 115V/250V 20A 50/60Hz**LCLCTC**$17.96**4.0★16 rev](https://www.amazon.com/dp/B0FGHYDZRS) [5**Tripp Lite ISOBAR2-6 Isobar 2 Outlet Heavy Duty Power Strip Surge Protector 1410 Joules 6ft Cord Flat Plug Metal Power Strip Industrial Garage Work Shop Bench Under Desk and Wall Mountable**TRIPP LITE**$55.00**4.6★3,278 rev](https://www.amazon.com/dp/B0000510Z9)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**JUNNUJ Heavy Duty Power Strip Surge Protector 4800J 6 Outlets with EMI/RFI Filtering and Noise Isolated Banks Wall Mount Metal Multiple Plugs for Industrial Garage Shop 6FT Extension Cord Flat Plug**JUNNUJ**$69.77**50 rev5mo ago](https://www.amazon.com/dp/B0GD5LY38H) [**120V Power EMI line filte Noise Suppressor for Home Appliances Industrial & Medical Equipment 115V/250V 20A 50/60Hz**LCLCTC**$17.96**16 rev1y ago](https://www.amazon.com/dp/B0FGHYDZRS) [**Briidea Dirty Electricity Filters Reduce High-Frequency Noise Caused by Electronic Devices for a Stable and Clean Power Supply for You Extend the Lifespan of Your Electric Device White**briidea**$32.00**114 rev2y ago](https://www.amazon.com/dp/B0CL6F2TCJ) [**Belkin 12-Outlet Surge Protector Power Strip w/ 12 AC Outlets & 8ft Flat Plug UL-Listed Heavy-Duty Extension Cord for Home Office Travel Computer Laptop Charger - 3 780 Joules of Protection**Belkin**$26.70**3,146 rev3y ago](https://www.amazon.com/dp/B0C6S6TPRH) [**E-outstanding EMI Filter 115/250VAC 10A Suppressor Power Noise Filter With Wire**E-outstanding**$9.96**42 rev6y ago](https://www.amazon.com/dp/B08D3MP48W)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Tripp Lite Isobar 10 Outlet Audio/Video Surge Protector Tel/Modem/Coax/Network 8ft Cord Right Angle Plug & $500 000 Insurance (HT10DBS) Black**TRIPP LITE**$105.52**4.7★**▲ 242%**](https://www.amazon.com/dp/B0002QPC28) [**JUNNUJ Heavy Duty Power Strip Surge Protector 4800J 6 Outlets with EMI/RFI Filtering and Noise Isolated Banks Wall Mount Metal Multiple Plugs for Industrial Garage Shop 6FT Extension Cord Flat Plug**JUNNUJ**$69.77**4.1★**▲ 219%**](https://www.amazon.com/dp/B0GD5LY38H) [**Tripp Lite ISOBAR4ULTRA Isobar 4 Outlet Heavy Duty Power Strip Surge Protector 3330 Joules 6ft Cord Flat Plug Metal Power Strip Industrial Garage Work Shop Bench Under Desk and Wall Mountable**TRIPP LITE**$77.82**4.6★**▲ 216%**](https://www.amazon.com/dp/B0000513O4) [**Tripp Lite Isobar 8 Outlet Surge Protector Power Strip 12ft. Cord Right Angle Plug 3840 Joules Diagnostic LEDs Tel/Fax/Modem Metal (ISOTEL8 ULTRA) Gray**TRIPP LITE**$109.51**4.6★**▲ 194%**](https://www.amazon.com/dp/B00005125L) [**Belkin 12-Outlet Surge Protector Power Strip w/ 12 AC Outlets & 8ft Flat Plug UL-Listed Heavy-Duty Extension Cord for Home Office Travel Computer Laptop Charger - 3 780 Joules of Protection**Belkin**$26.70**4.8★**▲ 69%**](https://www.amazon.com/dp/B0C6S6TPRH)
**~~View all trending →~~**
## **What buyers say about emi filter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**21%
*“Highly recommend for its build quality and simplicity”*
**Advertised Vs Actual Product**10%
*“Great as expected”*
**Socket/Port/Plug**9%
*“12 slots and USB ports”*
**Drop/Impact Protection**7%
*“Perfect Surge Protector”*
**Value For Money**6%
*“Great product for a very good price”*
**Design-Overall**5%
*“The design is great”*
**Durability**5%
*“It seems well made and durable”*
**Strength**5%
*“The metal housing feels sturdy”*
**Size-Overall**4%
*“the size was perfect”*
**Security**2%
*“Safe and secure”*
### **What buyers complain about **
**Durability**11%
*“Failed after 2 months”*
**Value For Money**7%
*“overpriced”*
**Product Condition**7%
*“This item is already used”*
**Noise Level**6%
*“With a load there is a loud buzzing sound”*
**Size-Overall**6%
*“Those dimensions don't count the mounting brackets which stick out an extra 1 or so on each end”*
**Quality-Overall**5%
*“Poor quality”*
**Socket/Port/Plug**5%
*“just wish it had USB ports”*
**Advertised Vs Actual Product**4%
*“Incorrect rating in description”*
**Defective Material/Parts**4%
*“Missing parts, probably broken too”*
**Weight Heavy**3%
*“Too heavy for loose socket”*
### **Top return reasons **
**Size-Overall**22%
**Functionality-Overall**14%
**Defective Material/Parts**12%
**Product Condition**9%
**Socket/Port/Plug**9%
**Value For Money**7%
**Advertised Vs Actual Product**6%
**Noise Level**2%
**Compatibility-Overall**2%
**Connectivity-Overall**2%
## **Common questions**
- **Is emi filter profitable to sell on Amazon United States?**
- The niche generates $226K/yr across 20 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +2.3%. Flapen's verdict: Skip it (44/100).
- **How competitive is the emi filter niche?**
- 7 brands and 143 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 96% of demand.
- **What do buyers complain about in emi filter?**
- Top complaints mined from reviews: Durability, Value For Money, Product Condition. The return rate is 2.0%.
- **When does demand for emi filter peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the emi filter niche?**
- Listings span $9.96–$166.45; the average listing price is $63.62 (sweet spot $15–$100). The average incumbent carries 1,058 reviews — the moat a new listing must climb.
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