usb c to 1/8 inch audio adapter
Skip itPrices mostly outside the sweet spot ($5.65–$13.99) — this niche doesn't clear our bar today.
Conversion
Incredible18.7%search→purchase rate — share of searches ending in a sale
Returns
Great2.0%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay87%top-5 brand share — brands hold most of the demand
Growth
Bad-0.7%90-day search growth — must beat 0% to launch
Avg price
Bad$8.76avg listing price — sweet spot $15–$100
Review moat
Bad8,771.4avg incumbent reviews — the moat a new listing must climb
Market size
Bad$68K$68K/yr · 41K searches
Competition
Bad87%top-5 click share — a locked-up shelf
Price range
Bad$5.65–$13.99cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, usb c to 1/8 inch audio adapter is a $68K/yr Amazon United States market (41K searches/yr). The top 5 brands hold 87% of demand. Verdict: Skip it — 35/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
usb c to 1/8 inch audio adapter market data
- Units sold / yr
- 8K–10K
- avg 500–750/product
- Revenue / yr
- $70K–$88K
- units × avg price
- Conversion rate
- 18.7%
- Avg BSR
- #119
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 90%
- Out of stock
- 2.4%
- Avg brand age
- 30 months
- Avg seller age
- 239 days
Competition & brand share
The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.Brands
10 falling
Sellers
16
Top-5 brand share
87%
Top 20: 100%
Top-5 click share
87%
Top 20: 100%
Open market
9%
- OneKer25%
- ienza19%
- JXMOX19%
- basecolors14%
- Apple10%
- Cubilux3%
- Open — no brand owns it (4 brands, 9%)
Demand & seasonality
Weekly Amazon search volume, last 75 weeks — -0.7% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top usb c to 1/8 inch audio adapter search terms
- usb c to 1/8 inch audio adapter20K/yr
- usbc to 1/8 inch audio adapter11K/yr
- 1/8 to usb c adapter6K/yr
- usb c to 1/82K/yr
- 1/8 to usb c2K/yr
Top usb c to 1/8 inch audio 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.
All 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
OneKer USB Type C to 3.5mm Headphone Jack Adapter (2-Pack) USB C to Aux Female Audio Dongle Cable Cord Compatible with iPhone 17/16 Pro/15 Plus/15 Pro Max iPad Pro MacBook Samsung Galaxy S26 S25 S24
OneKer$8.334.4★5,778 rev
3.5mm 1/8 Inch Aux to USB C Audio Headphone Jack Adapter - Type C/USBC to Aux Converter Dongle Cable for iPhone 15/16 iPad MacBook Samsung Galaxy Google Pixel Moto LG PC Laptop
ienza$8.954.5★232 rev
JXMOX USB C to 3.5mm Audio Aux Jack Cable (4ft) Type C to 3.5mm Headphone Car Stereo Cord Compatible with iPhone 17 16 15 Pro Max Air Samsung Galaxy S25 S24 S23 S22 S21 Note 20 Pixel 9 8 iPad Pro
JXMOX$7.124.3★13,352 rev
5 Pack USB C to Headphone Jack Adapter USB c to 1/8 inch Audio Adapter Compatible with iPhone 17 16 15 Samsung Galaxy S25 S24 S23 Ultra Note 20 iPad Pro MacBook Pixel XL and More
basecolors$9.964.7★123 rev
Apple USB-C to 3.5 mm Headphone Jack Adapter
Apple$9.064.6★4,420 rev
Newest
by launch date
KAYQINHO 2 Pack USB C to 3.5 mm Jack Adapter 3.5mm 1/8 Inch Aux to USB C Audio Headphone Jack Adapter Compatible with iPhone 17/16/15 iPad Pro SMSUNG Galaxy S25 S24 S23 Ultra Pixel 10/9/8
KAYQINHO$5.65192 rev
5 Pack USB C to Headphone Jack Adapter USB c to 1/8 inch Audio Adapter Compatible with iPhone 17 16 15 Samsung Galaxy S25 S24 S23 Ultra Note 20 iPad Pro MacBook Pixel XL and More
basecolors$9.96123 rev
3.5mm 1/8 Inch Aux to USB C Audio Headphone Jack Adapter - Type C/USBC to Aux Converter Dongle Cable for iPhone 15/16 iPad MacBook Samsung Galaxy Google Pixel Moto LG PC Laptop
ienza$8.95232 rev
Apple USB-C to 3.5 mm Headphone Jack Adapter
Apple$9.064,420 rev
OneKer USB Type C to 3.5mm Headphone Jack Adapter (2-Pack) USB C to Aux Female Audio Dongle Cable Cord Compatible with iPhone 17/16 Pro/15 Plus/15 Pro Max iPad Pro MacBook Samsung Galaxy S26 S25 S24
OneKer$8.335,778 rev
Trending
90-day click momentum5 Pack USB C to Headphone Jack Adapter USB c to 1/8 inch Audio Adapter Compatible with iPhone 17 16 15 Samsung Galaxy S25 S24 S23 Ultra Note 20 iPad Pro MacBook Pixel XL and More
basecolors$9.964.7★
KAYQINHO 2 Pack USB C to 3.5 mm Jack Adapter 3.5mm 1/8 Inch Aux to USB C Audio Headphone Jack Adapter Compatible with iPhone 17/16/15 iPad Pro SMSUNG Galaxy S25 S24 S23 Ultra Pixel 10/9/8
KAYQINHO$5.654.4★
UGREEN USB C to 3.5mm Audio Adapter Type C to Headphone Aux Jack Dongle 24bit/96kHz HiFi DAC Cable Cord Compatible with iPhone 17 16 Pro Max/16 Plus iPad Galaxy S25 S26 Ultra Pixel 10 Grey
UGREEN$9.344.5★
Apple USB-C to 3.5 mm Headphone Jack Adapter
Apple$9.064.6★
Cubilux USB C to 3.5mm Male Audio Cable with 192KHz/24bit DAC for Car Radio Speaker Type C to 1/8 inch Auxiliary Cord for Android Phone Compatible with iPhone 17/16/15 Galaxy Pixel Moto More
Cubilux$13.994.3★
What buyers say about usb c to 1/8 inch audio adapter
What buyers praise and complain about, mined from review topics.What buyers love
“As advertised”
“Good balance between quality and functionality”
“Compatible with my work laptop”
“Clear sound”
“Good for price”
“Works ok”
“Stay connected”
“is extremely reliable”
“Very handy to have”
“Convenient size”
What buyers complain about
“Broke within a week”
“Low price, lower quality”
“Did not work”
“Poor sound quality”
“Not compatible as advertised”
“Not a good connection”
“Low volume”
“Way too loud”
“Not a tight fit”
“May not charge your phone”
Top return reasons
Common questions
- Is usb c to 1/8 inch audio adapter profitable to sell on Amazon United States?
- The niche generates $68K/yr across 10 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -0.7%. Flapen's verdict: Skip it (35/100).
- How competitive is the usb c to 1/8 inch audio adapter niche?
- 10 brands and 16 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 87% of demand.
- What do buyers complain about in usb c to 1/8 inch audio adapter?
- Top complaints mined from reviews: Durability, Quality-Overall, Functionality-Overall. The return rate is 2.0%.
- When does demand for usb c to 1/8 inch audio adapter peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the usb c to 1/8 inch audio adapter niche?
- Listings span $5.65–$13.99; the average listing price is $8.76 (sweet spot $15–$100). The average incumbent carries 8,771 reviews — the moat a new listing must climb.