Car Aux
FailShoppers spend an estimated $70K a year here, so Car Aux is a Fail.
- Flapen Score
- 45 / 100Top 41% of 8,347 Electronics niches · +2 vs the category median of 4345
- Market size
- $70K/yr104K searches / yr
- 90-day growth
- -5.6%search demand this quarter
- Competition
- 55%top-5 click share · 14 brands · 23 sellers
Flapen Score
Car Aux against its category
The dotted line is the Electronics average. Past it, Car Aux is stronger. Inside it, weaker.
Market
The Car Aux market on Amazon at a glance
Shoppers on Amazon United States searched for Car Aux 104K times last year and spent an estimated $70K. The top 5 brands take 74% of clicks. Flapen scores it 45 out of 100, a Fail.
01 · Demand
An estimated 5.1% of those searches ended in a purchase.
Shoppers searched for this 104K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.1% of those searches ended in a purchase. Searches in the last 90 days moved -5.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $70K a year.
- Searches, last 12 months
- 104K
- Growth, 90 days vs prior 90
- -5.6%
- Conversion, latest week
- 5.1%
- Market size, estimated
- $70Ka year
- Top search term
- car aux28K searches a year
02 · Price
A sale here is worth $13.42.
Listings sell for $13.42 on average, from $6.22 to $27.05. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 100 to 250 of them. At $13.42 that is $1K to $3K a year per listing.
- Average price
- $13.42under the $15 to $100 sweet spot
- Price range
- $6.22–$27.05
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 4K–5K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $1K–$3K
- Returns
- 2.5%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
95% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 2.5% of listings are out of stock. The average listing ranks #7 within Home Audio Accessories. It carries 17,247 reviews at 4.32 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 95%
- Prime listings
- 100%
- Out of stock, average day
- 2.5%
- Average rank
- #7in Home Audio Accessories
- Average rating
- 4.32 starsAmazon United States average 4.42 stars
- Average reviews
- 17,247per listing
- Listings tracked
- 22
04 · Newcomers
2 of last year's 2 launches cleared the first-year sales bar.
2 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 46 months on average, so the names here are settling in.
- Launched, last 12 months
- 2
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 46 months
Products
Top Car Aux products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 22, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
LIHAN Bluetooth Car Adapter 5.4 FM Transmitter 48W PD/QC Charger
- Price
- $15.28
- Rating
- 4.4/5
- Reviews
- 17,304
- Age
- 6y ago
![Nulaxy 54W Bluetooth 5.3 Car Adapter Charger 4-Port Fast Charging [PD36W & QC3.0 18W] Wireless Radio FM Transmitter with Deep Bass Player 5 Colors LED Backlit Hands-Free Calling Support USB Drive](https://m.media-amazon.com/images/I/519DOQ+b5WL.jpg)
Nulaxy 54W Bluetooth 5.3 Car Adapter Charger 4-Port Fast Charging [PD36W & QC3.0 18W] Wireless Radio FM Transmitter with Deep Bass Player 5 Colors LED Backlit Hands-Free Calling Support USB Drive
- Price
- $13.67
- Rating
- 4.4/5
- Reviews
- 9,658
- Age
- 2y ago

USB C to 3.5mm Audio Aux Jack Cable 3.3 ft aux Cord for iPhone Type C to 3.5mm Aux Headphone Stereo Cord Car Cable for iPhone 16/16 Pro Samsung Galaxy S25 and Other iOS and Android Devices(White)
- Price
- $8.69
- Rating
- 4.2/5
- Reviews
- 1,384
- Age
- 1y ago

COMSOON Bluetooth Receiver for Car Noise Cancelling 3.5mm AUX Bluetooth Car Adapter Wireless Audio Receiver for Home Stereo/Wired Headphones Hands-Free Call 16H Battery Life - Black+Silver
- Price
- $17.07
- Rating
- 4.5/5
- Reviews
- 50,223
- Age
- 5y ago

iMyOnly Bluetooth V5.4 AUX Car Adapter FM Transmitter
- Price
- $27.05
- Rating
- 4.2/5
- Reviews
- 112
- Age
- 1y ago
Trending
estimated 90-day click momentum
Nulaxy KM18 Plus Bluetooth 5.4 Car Adapter with 48W Fast Charging PD 30W & QC3.0 18W 1.44 Screen Wireless Radio FM Transmitter with Flexible Gooseneck Supports Hands-Free Call TF Card & AUX Black
- Price
- $18.59
- Rating
- 4.4/5
- Reviews
- 3,428
- Age
- 4mo ago

Bluetooth Fm Transmitter for Car Fast Charging Blue Tooth 5.4 Car Charger
- Price
- $10.07
- Rating
- 3.4/5
- Reviews
- 65
- Age
- 6mo ago

Bluetooth 5.3 FM Transmitter for Car Bluetooth Car Adapter with Type-C PD(30W) Charger and QC3.0 USB Port Wireless FM Radio Transmitter Support MP3 Player Handsfree Calling LED Backlit U Disk
- Price
- $9.81
- Rating
- 4.3/5
- Reviews
- 1,877
- Age
- 2y ago

Nulaxy KM18 Bluetooth 5.4 Car Adapter with 1.44 Clear Display & Flexible Gooseneck - FM Radio Transmitter & Bluetooth Receiver for Hands-Free Calls Wireless Music via BT/FM/AUX/TF USB Car Charger
- Price
- $18.48
- Rating
- 4.4/5
- Reviews
- 134,664
- Age
- 10y ago

USB C to 3.5mm Audio Aux Jack Cable 3.3 ft aux Cord for iPhone Type C to 3.5mm Aux Headphone Stereo Cord Car Cable for iPhone 16/16 Pro Samsung Galaxy S25 and Other iOS and Android Devices(White)
- Price
- $8.69
- Rating
- 4.2/5
- Reviews
- 1,384
- Age
- 1y ago
Newest
by launch date
Nulaxy KM18 Plus Bluetooth 5.4 Car Adapter with 48W Fast Charging PD 30W & QC3.0 18W 1.44 Screen Wireless Radio FM Transmitter with Flexible Gooseneck Supports Hands-Free Call TF Card & AUX Black
- Price
- $18.59
- Rating
- 4.4/5
- Reviews
- 3,428
- Age
- 4mo ago

Bluetooth Fm Transmitter for Car Fast Charging Blue Tooth 5.4 Car Charger
- Price
- $10.07
- Rating
- 3.4/5
- Reviews
- 65
- Age
- 6mo ago

USB C to 3.5mm Audio Aux Jack Cable 3.3 ft aux Cord for iPhone Type C to 3.5mm Aux Headphone Stereo Cord Car Cable for iPhone 16/16 Pro Samsung Galaxy S25 and Other iOS and Android Devices(White)
- Price
- $8.69
- Rating
- 4.2/5
- Reviews
- 1,384
- Age
- 1y ago

iMyOnly Bluetooth V5.4 AUX Car Adapter FM Transmitter
- Price
- $27.05
- Rating
- 4.2/5
- Reviews
- 112
- Age
- 1y ago

LIHAN Bluetooth 5.4 Car FM Transmitter Wireless Radio Adapter with 48W(PD 30W USB-C & QC3.0) Fast Charging Hands-Free Calls HiFi Deep Bass Siri/Google Assistant Music Player for Cars/Trucks/Vans
- Price
- $14.55
- Rating
- 4.3/5
- Reviews
- 859
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 55% of clicks. Leaders hold, but buyers still shop past them.
Brands
14 falling
Sellers
23
Est. top-5 brand share
74%
Top 20: 100%
Est. top-5 click share
55%
Top 20: 98%
Open market
22%
- LIHAN22%
- Nulaxy18%
- Seulliya15%
- COMSOON12%
- iMyOnly7%
- LENCENT5%
Demand
Car Aux search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.2× · 10 of 12 months tracked
Search terms
Top Car Aux search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- car aux28K/yr
- aux for car14K/yr
- aux adapter for car18K/yr
- car aux adapter8K/yr
- aux car adapter5K/yr
- auxiliar para carro7K/yr
- aux adapter for car without aux8K/yr
- aux car lighter adapter5K/yr
- cigarette lighter aux adapter3K/yr
- aux port for car4K/yr
Reviews and returns
What reviews say buyers love and hate about Car Aux
We read the reviews and the return reasons for every product selling here.
“Broke within a week”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Car Aux questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









