Is phone jack to ethernet adapter profitable to sell on Amazon United States?

The niche generates $34K/yr across 15 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -9.8%. Flapen's verdict: Skip it (38/100).

How competitive is the phone jack to ethernet adapter niche?

12 brands and 14 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 80% of demand.

What do buyers complain about in phone jack to ethernet adapter?

Top complaints mined from reviews: Functionality-Overall, Size-Overall, Compatibility-Overall. The return rate is 4.5%.

When does demand for phone jack to ethernet adapter peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the phone jack to ethernet adapter niche?

Listings span $5.86–$10.93; the average listing price is $7.88 (sweet spot $15–$100). The average incumbent carries 110 reviews — the moat a new listing must climb.

phone jack to ethernet adapter

Skip it

Prices mostly outside the sweet spot ($5.86–$10.93) — this niche doesn't clear our bar today.

Quality gap

Incredible3.9★

avg incumbent rating — lower means beatable quality

Review moat

Great109.73

avg incumbent reviews — the moat a new listing must climb

Conversion

Great7.0%

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

Brand share

Okay80%

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

Returns

Okay4.5%

return rate — above 5% kills the launch gate

Competition

Bad74%

top-5 click share — a locked-up shelf

Avg price

Bad$7.88

avg listing price — sweet spot $15–$100

Growth

Bad-9.8%

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

Market size

Bad$34K

$34K/yr · 61K searches

Price range

Bad$5.86–$10.93

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

Signals Low Review Barrier Quality Gap

According to Flapen's Amazon United States niche tracking, phone jack to ethernet adapter is a $34K/yr Amazon United States market (61K searches/yr). The top 5 brands hold 80% of demand. Verdict: Skip it — 38/100.

Data updated Jul 17, 2026 · scored weekly · How we score niches

phone jack to ethernet adapter market data

Units sold / yr: 4K–5K; avg 250–500/product
Revenue / yr: $32K–$39K; units × avg price
Conversion rate: 7.0%
Avg BSR: #266
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 56 months
Avg seller age: 173 days

Competition & brand share

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

Brands

12 flat

Sellers

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

16%

moeverEX28%
XCZZYB25%
Uvital17%
Qulkws6%
NECABLES4%
RetailAndBulk4%
Open — no brand owns it (6 brands, 16%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -9.8% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top phone jack to ethernet adapter search terms

rj11 to rj45 adapter15K/yr -9.3%7.3% conv.
phone jack to ethernet adapter9K/yr +4.8%7.4% conv.
rj11 to rj457K/yr -5.7%5.6% conv.
phone to ethernet adapter6K/yr -6.3%3.1% conv.
rj45 to rj11 adapter7K/yr -16.9%10.1% conv.
ethernet to phone line adapter6K/yr -9.8%6.5% conv.
phone line to ethernet adapter5K/yr -30.6%4.0% conv.
rj45 to rj113K/yr -0.4%5.7% conv.
dsl to ethernet adapter3K/yr -19.3%3.6% conv.

All search terms

Top phone jack to ethernet 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 15 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

moeverEX RJ11 to RJ45 Adapter Phone Jack to Ethernet Cable Adapter RJ45 8P8C Female to RJ11 6P4C Male for Landline Telephone Service

moeverEX$6.174.2★61 rev

Phone Jack to Ethernet Cable Adapter RJ45 8P8C Female to RJ11 6P4C Male for Landline Telephone Service (2 Pack)

XCZZYB$8.964.3★451 rev

Uvital Phone Jack to Ethernet Adapter RJ45 Female to Female Inline Adapters with RJ45-Male to RJ11-Male Phone Lines for Landline Telephone RJ45 to RJ11 Adapter Kit(Black 2 Pack)

Uvital$9.114.0★233 rev

Uvital RJ11 to RJ45 Adapter 1 Pack RJ45 Female to RJ11 Male for Landline Telephone Black Phone Jack to Ethernet Adapter with Cable Suitable for Landline Telephones

Uvital$7.094.0★233 rev

NECABLES 2Pack RJ45 to RJ11 Adapter Converter Cable 3ft RJ45 8P4C Male to RJ11 6P4C Male Gray - 3 Feet

NECABLES$7.044.4★140 rev

Newest

by launch date

Qulkws 1 Pcs Phone Jack to Ethernet Cable Adapter RJ45-to-RJ11 Adapter RJ45 8P8C Female to RJ11 6P4C Male Phone Lines for Landline Telephone Service

Qulkws$5.860 rev

3mo ago

Psiriol 2Pcs Phone Jack to Ethernet Cable Adapter RJ11 to RJ45 Adapter Male RJ45 Female to RJ11 for Landline Telephone Service

Psiriol$7.031 rev

4mo ago

Qulkws 2 Pcs RJ45 to RJ11 Adapter White Phone Jack to Ethernet Cable Adapter RJ45 8P8C Female RJ11 6P4C Male Phone Lines for Landline Telephone Service

Qulkws$6.812 rev

5mo ago

Qulkws 2 Pcs Phone Jack to Ethernet Cable Adapter RJ45 to RJ11 Adapter RJ45 8P8C Female to RJ11 6P4C Male Phone Lines for Landline Telephone Service

Qulkws$7.056 rev

10mo ago

Menewstart RJ11 to RJ45 Cable Adapter 8 inches 3 Pack Phone Jack Line 6P4C to Ethernet 8P8C Coupler RJ45 Female to RJ11 Male for Landline Telephone Service

Menewstart$7.9420 rev

1y ago

What buyers say about phone jack to ethernet adapter

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

What buyers love

Advertised Vs Actual Product59%

“Worked as advertised”

Value For Money17%

“GOOD DEAL”

Socket/Port/Plug6%

“Works great on my Ethernet outlets throughout the house”

Compatibility-Overall6%

“Works great on my Ethernet outlets throughout the house”

Quality-Overall6%

“Great product, just as described”

Ease Of Use4%

“Easy to use”

Assembly/Installation4%

“Easy To Install”

What buyers complain about

Functionality-Overall43%

“Doesnt work”

Size-Overall21%

“The size of the ethernet connector is to large”

Compatibility-Overall14%

“This item will not fit a canon printer phone line”

Advertised Vs Actual Product7%

“Not what they say it is”

Connectivity-Overall7%

“Appears to only connect ethernet to ethernet”

Quality-Overall7%

“JUNK”

Top return reasons

Compatibility-Overall28%

Functionality-Overall24%

Connectivity-Overall22%

Size-Overall13%

Advertised Vs Actual Product3%

Defective Material/Parts3%

Add-Ons/Attachments1%

Length1%

Software/Application1%

Data Transfer Speed1%

Common questions

Is phone jack to ethernet adapter profitable to sell on Amazon United States?: The niche generates $34K/yr across 15 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -9.8%. Flapen's verdict: Skip it (38/100).
How competitive is the phone jack to ethernet adapter niche?: 12 brands and 14 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 80% of demand.
What do buyers complain about in phone jack to ethernet adapter?: Top complaints mined from reviews: Functionality-Overall, Size-Overall, Compatibility-Overall. The return rate is 4.5%.
When does demand for phone jack to ethernet adapter peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the phone jack to ethernet adapter niche?: Listings span $5.86–$10.93; the average listing price is $7.88 (sweet spot $15–$100). The average incumbent carries 110 reviews — the moat a new listing must climb.