---
title: "Usb to Dual Hdmi Adapter — $382K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/usb-to-dual-hdmi-adapter"
last_updated: "2026-08-10T01:05:40.381Z"
locale: en
meta:
description: "Niche score 47/100 · $382K/yr market · 124K searches/yr · $74.51 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · $382K/yr market · 124K searches/yr · $74.51 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Usb to Dual Hdmi Adapter — $382K/yr Amazon US Niche (2026) - Flapen"
---
# **usb to dual hdmi adapter**
**Skip it**
High returns (7.1%) — this niche doesn't clear our bar today.
Market size 55Growth 20Conversion 51Competition 69Returns 17Price range 19Avg price 84Brand share 22Review moat 61Quality gap 77
**Avg price**
**Great****$74.51**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Competition**
**Good****44%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Good****1,059.58**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Good****$382K**
$382K/yr · 124K searches
**Conversion**
**Good****4.1%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Bad****91%**
top-5 brand share — brand-locked demand
**Growth**
**Bad****-10.4%**
90-day search growth — must beat 0% to launch
**Price range**
**Bad****$11.84–$451.76**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Bad****7.1%**
return rate — above 5% kills the launch gate
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, usb to dual hdmi adapter is a $382K/yr Amazon United States market (124K searches/yr). The top 5 brands hold 91% of demand. Verdict: Skip it — 47/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **usb to dual hdmi adapter market data**
- **Units sold / yr**
- **5K–6K**
- avg 100–250/product
- **Revenue / yr**
- **$373K–$447K**
- units × avg price
- **Conversion rate**
- **4.1%**
- **Avg BSR**
- **#438**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **90%**
- **Out of stock**
- **5.1%**
- **Avg brand age**
- **44 months**
- **Avg seller age**
- **171 days**
## **Competition & brand share**
The top 5 products take 44% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**11 **▼falling
**Sellers**
**105**
**Top-5 brand share**
**91%**
Top 20: 100%
**Top-5 click share**
**44%**
Top 20: 86%
**Open market**
**7%**
- StarTech.com76% - vilcome8% - MOKiN3% - THANDBLE2% - SWITCHFLUX2% - Acer2% - Open — no brand owns it (5 brands, 7%)
## **Demand**
Weekly Amazon search volume, last 45 weeks — -10.4% search growth over the last 90 days.
3K2KSpike '25Holiday '25Spike '26Sep '25Oct '25Dec '25Feb '26Mar '26May '26
[**Open Trend **](https://flapen.com/research/us/electronics/usb-to-dual-hdmi-adapter/trend)
## **Top usb to dual hdmi adapter search terms**
- **startech**38K/yr-0.8%0.9% conv. - **startech usb hub**30K/yr-16.3%3.5% conv. - **usb to dual hdmi adapter**13K/yr-8.5%5.2% conv. - **startech.com**7K/yr-15.4%1.4% conv. - **star tech**5K/yr+10.2%2.4% conv. - **usb 3.0 to dual hdmi adapter**5K/yr-7.8%9.0% conv. - **startech adapter**5K/yr-32.7%3.2% conv. - **hdmi splitter usb**3K/yr+4.8%2.1% conv. - **usb to hdmi splitter**4K/yr-28.7%6.9% conv. - **startech usb c hub**3K/yr-19.9%2.0% conv. [**All search terms **](https://flapen.com/research/us/electronics/usb-to-dual-hdmi-adapter/search-terms)
## **Top usb to dual hdmi adapter 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%5%$19K10%$38K15%$57K20%$76K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**StarTech USB-A 3.0 to Dual HDMI Adapter 4K 30Hz + 1080p 60Hz Windows only**StarTech.com**$38.18**4.5★9,596 rev](https://www.amazon.com/dp/B0725K1MHH) [2**StarTech 4-Port USB-A Hub 5Gbps Power Adapter Included (ST4300USB3)**StarTech.com**$40.12**4.6★311 rev](https://www.amazon.com/dp/B004DVEWH4) [3**StarTech Crash Cart Adapter File Transfer USB VGA KVM TAA (NOTECONS02)**StarTech.com**$451.76**3.7★203 rev](https://www.amazon.com/dp/B00IZGR6IK) [4**StarTech 6-in-1 USB-C Hub 4K HDMI HDR10 3X USB-A 5Gbps GbE 100W**StarTech.com**$37.04**4.2★202 rev](https://www.amazon.com/dp/B0B12X2Z1R) [5**vilcome USB to HDMI Adapter USB 3.0 to Dual HDMI Adapter with USB 3.0 Port Audio Video Graphics Converter Cable for Laptop Monitor Desktop TV Compatible with Mac OS Windows**vilcome**$24.38**3.8★100 rev](https://www.amazon.com/dp/B0FMR2Q2SW)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Acer 4-in-1 USB C Hub Type C to Dual HDMI Adapter 4K@60Hz HDMI Splitter for Dual Monitors with 100W PD Port USB 3.0 Dual Monitor Adapter for USB C Devices with DP Alt Mode (0.65FT)**Acer**$27.61**464 rev4mo ago](https://www.amazon.com/dp/B0G496HSZG) [**THANDBLE USB to Dual HDMI Adapter 1080P 60Hz USB A 3.0 to HDMI Adapter for Laptop PC Desktop Compatible with Mac OS Windows 7/8/10/11 - Requires Driver Installation**THANDBLE**$26.89**38 rev10mo ago](https://www.amazon.com/dp/B0F634LK6R) [**vilcome USB to HDMI Adapter USB 3.0 to Dual HDMI Adapter with USB 3.0 Port Audio Video Graphics Converter Cable for Laptop Monitor Desktop TV Compatible with Mac OS Windows**vilcome**$24.38**100 rev11mo ago](https://www.amazon.com/dp/B0FMR2Q2SW) [**vilcome USB to HDMI Adapter USB 3.0 to Dual HDMI Adapter Audio Video Graphics Converter Cable for Laptop Monitor Desktop TV Compatible with Mac OS Windows**vilcome**$26.23**2,611 rev11mo ago](https://www.amazon.com/dp/B0GC6LWJPR) [![SWITCHFLUX USB to HDMI Adapter [Gold-Plated & Aluminum Shell] USB 3.0 to Dual HDMI for Dual Monitors USB A to HDMI Splitter Support Windows macOS - Driver Installation Required](https://m.media-amazon.com/images/I/41n3qnGnIUL.jpg)**SWITCHFLUX USB to HDMI Adapter \[Gold-Plated & Aluminum Shell\] USB 3.0 to Dual HDMI for Dual Monitors USB A to HDMI Splitter Support Windows macOS - Driver Installation Required**SWITCHFLUX**$27.71**33 rev11mo ago](https://www.amazon.com/dp/B0DZHGHZQM)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**vilcome USB to HDMI Adapter USB 3.0 to Dual HDMI Adapter Audio Video Graphics Converter Cable for Laptop Monitor Desktop TV Compatible with Mac OS Windows**vilcome**$26.23**4.4★**▲ 314%**](https://www.amazon.com/dp/B0GC6LWJPR) [**MOKiN USB 3.0 to Dual HDMI Adapter for Dual Monitors USB C to HDMI Adapter for Mac Windows 4K Dual HDMI Adapter Compatible with M1/M2 Mac Windows ChromeOS Android**MOKiN**$21.39**4.6★**▲ 274%**](https://www.amazon.com/dp/B07XKT5K3P) [**Acer 4-in-1 USB C Hub Type C to Dual HDMI Adapter 4K@60Hz HDMI Splitter for Dual Monitors with 100W PD Port USB 3.0 Dual Monitor Adapter for USB C Devices with DP Alt Mode (0.65FT)**Acer**$27.61**4.1★**▲ 241%**](https://www.amazon.com/dp/B0G496HSZG) [**StarTech Crash Cart Adapter Server Management USB VGA TAA (NOTECONS01)**StarTech.com**$363.81**4.1★**▲ 181%**](https://www.amazon.com/dp/B002CLKFTQ) [![SWITCHFLUX USB to HDMI Adapter [Gold-Plated & Aluminum Shell] USB 3.0 to Dual HDMI for Dual Monitors USB A to HDMI Splitter Support Windows macOS - Driver Installation Required](https://m.media-amazon.com/images/I/41n3qnGnIUL.jpg)**SWITCHFLUX USB to HDMI Adapter \[Gold-Plated & Aluminum Shell\] USB 3.0 to Dual HDMI for Dual Monitors USB A to HDMI Splitter Support Windows macOS - Driver Installation Required**SWITCHFLUX**$27.71**3.4★**▲ 114%**](https://www.amazon.com/dp/B0DZHGHZQM)
**~~View all trending →~~**
## **What buyers say about usb to dual hdmi adapter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**15%
*“-Sturdy build quality”*
**Advertised Vs Actual Product**12%
*“As advertised”*
**Compatibility-Overall**9%
*“The compatible did surprise me”*
**Assembly/Installation**8%
*“Easy to hook up”*
**Value For Money**8%
*“good for the money”*
**Ease Of Use**8%
*“It just makes long work sessions easier on the eyes”*
**Socket/Port/Plug**7%
*“I also like having the extra USB port and pass-through charging, which keeps things convenient without needing multiple adapters”*
**Connectivity-Overall**4%
*“Good connectivity”*
**Functionality-Overall**4%
*“This device fixed that”*
**Display Resolution**2%
*“Adjusted resolution and completed set up with my 2 monitors and 1 Laptop”*
### **What buyers complain about **
**Functionality-Overall**22%
*“Did not work well”*
**Durability**12%
*“Failed within a month”*
**Connectivity-Overall**11%
*“it doesn't connect well”*
**Compatibility-Overall**10%
*“didn't work for me on my mac”*
**Software/Application**5%
*“apps is also tricky”*
**Socket/Port/Plug**5%
*“One of the hdmi ports was bad”*
**Quality-Overall**4%
*“Poor performance”*
**Advertised Vs Actual Product**3%
*“Does not work as described”*
**Instructions/User Manual/Troubleshooting**2%
*“DO NOT GO ONTO THE SITE ON THE INSTRUCTIONS”*
**Value For Money**2%
*“For the price 3 months is a joke”*
### **Top return reasons **
**Compatibility-Overall**46%
**Functionality-Overall**18%
**Connectivity-Overall**10%
**Socket/Port/Plug**6%
**Defective Material/Parts**3%
**Value For Money**3%
**Advertised Vs Actual Product**2%
**Size-Overall**2%
**Software/Application**1%
**Assembly/Installation**1%
## **Common questions**
- **Is usb to dual hdmi adapter profitable to sell on Amazon United States?**
- The niche generates $382K/yr across 31 tracked products. 4 of 5 products launched in the last 360 days are still selling. 90-day search growth is -10.4%. Flapen's verdict: Skip it (47/100).
- **How competitive is the usb to dual hdmi adapter niche?**
- 11 brands and 105 sellers compete. The top 5 products take 44% of clicks and top 5 brands hold 91% of demand.
- **What do buyers complain about in usb to dual hdmi adapter?**
- Top complaints mined from reviews: Functionality-Overall, Durability, Connectivity-Overall. The return rate is 7.1% — above our launch gate.
- **What does it cost to enter the usb to dual hdmi adapter niche?**
- Listings span $11.84–$451.76; the average listing price is $74.51 (sweet spot $15–$100). The average incumbent carries 1,060 reviews — the moat a new listing must climb.
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