Is aux cord profitable to sell on Amazon United States?

The niche generates $2.2M/yr across 16 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -0.6%. Flapen's verdict: Worth a look (50/100).

How competitive is the aux cord niche?

11 brands and 19 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 77% of demand.

What do buyers complain about in aux cord?

Top complaints mined from reviews: Durability, Functionality-Overall, Quality-Overall. The return rate is 2.3%.

When does demand for aux cord peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the aux cord niche?

Listings span $4.43–$9.72; the average listing price is $7.15 (sweet spot $15–$100). The average incumbent carries 31,212 reviews — the moat a new listing must climb.

aux cord

Worth a look

Shows a $2.2M/yr market, but prices mostly outside the sweet spot ($4.43–$9.72) keeps it on the watch list.

Market size

Incredible$2.2M

$2.2M/yr · 2.9M searches

Conversion

Great10.7%

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

Returns

Good2.3%

return rate — above 5% kills the launch gate

Brand share

Okay77%

top-5 brand share — brands hold most of the demand

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Okay63%

top-5 click share — leaders hold, buyers still browse

Growth

Bad-0.6%

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

Avg price

Bad$7.15

avg listing price — sweet spot $15–$100

Review moat

Bad31,211.75

avg incumbent reviews — the moat a new listing must climb

Price range

Bad$4.43–$9.72

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

According to Flapen's Amazon United States niche tracking, aux cord is a $2.2M/yr Amazon United States market (2.9M searches/yr). The top 5 brands hold 77% of demand. Verdict: Worth a look — 50/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

aux cord market data

Units sold / yr: 300K–400K; avg 15,000–20,000/product
Revenue / yr: $2.1M–$2.9M; units × avg price
Conversion rate: 10.7%
Avg BSR: #28
Page quality: 0%
Prime: 100%
Sponsored: 81%
Out of stock: 0.0%
Avg brand age: 58 months
Avg seller age: 187 days

Competition & brand share

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 falling

Sellers

Top-5 brand share

77%

Top 20: 100%

Top-5 click share

63%

Top 20: 100%

Open market

16%

SYNCWIRE30%
Seulliya15%
Nanxudyj13%
Amazon Basics11%
Ruaeoda8%
QianLink7%
Open — no brand owns it (5 brands, 16%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -0.6% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top aux cord search terms

aux cord1.1M/yr +0.2%11.3% conv.
3.5mm audio cable501K/yr +2.9%7.7% conv.
aux cable288K/yr +2.4%8.8% conv.
audio cable214K/yr -7.3%3.8% conv.
aux105K/yr +0.6%5.6% conv.
3.5 mm audio cable90K/yr +0.5%7.5% conv.
auxiliary cord97K/yr -1.5%8.8% conv.
headphone cable72K/yr -4.8%7.0% conv.
aux cord for car62K/yr -17.8%7.5% conv.
headphone cord52K/yr +5.3%8.8% conv.

All search terms

Top aux cord 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.

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

All 16 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Syncwire 3.5mm Nylon Braided Aux Cable (3.3ft/1m Hi-Fi Sound) Audio Auxiliary Input Adapter Male to Male Cord for Headphones Car Home Stereos Speaker iPhone iPad iPod Echo & More Black

SYNCWIRE$7.974.6★119,446 rev

Nanxudyj AUX Cord 6ft 3.5mm Stereo Audio Cable 90 Degree Right Angle Nylon Braided Male to Male for Car Headphones Speaker PS4/PS5 PC Tablets - Hi-Fi Sound Portable TRS Auxiliary Cable

Nanxudyj$5.104.6★7,342 rev

Ruaeoda Aux Cord 3 ft Sweat-Resistant 3.5mm Audio Cable Male to Male Stereo Hi-Fi Sound Nylon Braided aux to aux TRS 1/8 Cable for Headphones Car Home Stereos Speakers

Ruaeoda$4.434.6★2,508 rev

Amazon Basics 3.5mm Male-to-Male Stereo Audio Cable for Speakers Home Stereos Car Stereo Tablets and Smartphones Gold-Plated Plugs 4 Foot Black

Amazon Basics$5.824.6★82,198 rev

(Apple MFi Certified) iPhone AUX Cord Lightning to 1/8 Inch Audio Cable 3.3ft Headphone Jack Adapter Male Aux Stereo Audio Cable Compatible for iPhone 14/13/12/11/XR/X/8/7 (White)

Seulliya$8.664.1★11,920 rev

Newest

by launch date

Aux to USB C Aux Cord to USB C to 3.5mm Audio Headphone Jack Adapter [2 Pack 4FT] Hi-Fi DAC Dongle Aux Cord Compatible with iPhone 17/16/15 Pro Max Samsung S25/S24/S23 iPad Pro Pixel Car Stereo

MAXAUX$9.24330 rev

9mo 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)

Seulliya$8.691,384 rev

1y ago

Seulliya USB C to 3.5mm Audio Aux Jack Cable Aux Cord for iPhone 17 Type C to 3.5mm Headphone Car Stereo Cord Compatible with iPhone 17/16/15 Pro Max Samsung Galaxy S23 S22 Note 20 Pixel 5 XL

Seulliya$6.851,871 rev

2y ago

MORELECS Aux to USB C 3.3ft Aux Cord to USB C Compatible with iPhone 15/16/17 Galaxy S24/S23 iPad Pro Pixel - Type C to 3.5mm Cord for Car Headphones Speakers

MORELECS$6.225,566 rev

2y ago

2 Pack AUX Cable (6.6ft/2m Hi-Fi Sound) 3.5mm TRS Auxiliary Audio Cable Nylon Braided Cord Compatible with Car Home Stereos Speaker iPod iPad Headphones Sony Echo Dot Beats (Grey)

QianLink$6.884,007 rev

3y ago

What buyers say about aux cord

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

What buyers love

Quality-Overall22%

“Outstanding build quality”

Advertised Vs Actual Product18%

“As advertised”

Audio Quality9%

“Clear sound”

Value For Money8%

“Money well spent”

Compatibility-Overall7%

“Compatible with my stereo”

Efficiency5%

“does it well”

Connectivity-Overall5%

“Great connection”

Durability4%

“Very durable cord”

Strength2%

“Solid product”

Size-Overall2%

“Fits Perfect”

What buyers complain about

Durability38%

“Broke within a week”

Functionality-Overall12%

“Did Not Work”

Quality-Overall12%

“Cheap quality”

Audio Quality5%

“Fuzzy Sound”

Connectivity-Overall5%

“wont stay connected”

Compatibility-Overall4%

“This does not work with”

Noise Level3%

“Buzzing sound”

Rope/Wire Tangling2%

“The cord also tangles a lot”

Size-Overall2%

“very short”

Charging1%

“Charging does not work for me”

Top return reasons

Compatibility-Overall29%

Functionality-Overall17%

Size-Overall14%

Connectivity-Overall11%

Audio Quality7%

Length5%

Defective Material/Parts3%

Socket/Port/Plug2%

Value For Money2%

Advertised Vs Actual Product2%

Common questions

Is aux cord profitable to sell on Amazon United States?: The niche generates $2.2M/yr across 16 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -0.6%. Flapen's verdict: Worth a look (50/100).
How competitive is the aux cord niche?: 11 brands and 19 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 77% of demand.
What do buyers complain about in aux cord?: Top complaints mined from reviews: Durability, Functionality-Overall, Quality-Overall. The return rate is 2.3%.
When does demand for aux cord peak?: Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the aux cord niche?: Listings span $4.43–$9.72; the average listing price is $7.15 (sweet spot $15–$100). The average incumbent carries 31,212 reviews — the moat a new listing must climb.