Kz Castor
FailThe top 5 products take 100% of clicks, so Kz Castor is a Fail.
- Flapen Score
- 33 / 100Ranks 7,120 of 8,347 Electronics niches · −10 vs the category median of 4333
- Market size
- $57K/yr110K searches / yr
- 90-day growth
- +8.7%search demand this quarter
- Competition
- 100%top-5 click share · 2 brands · 4 sellers
Flapen Score
Kz Castor against its category
The dotted line is the Electronics average. Past it, Kz Castor is stronger. Inside it, weaker.
Market
The Kz Castor market on Amazon at a glance
Shoppers on Amazon United States searched for Kz Castor 110K times last year and spent an estimated $57K. All 2 brands take every click. Flapen scores it 33 out of 100, a Fail.
01 · Demand
An estimated 2.1% of those searches ended in a purchase.
Shoppers searched for this 110K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 2.1% of those searches ended in a purchase. Searches in the last 90 days moved +8.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated $57K a year.
- Searches, last 12 months
- 110K
- Growth, 90 days vs prior 90
- +8.7%
- Conversion, latest week
- 2.1%
- Market size, estimated
- $57Ka year
- Top search term
- kz castor pro52K searches a year
02 · Price
A sale here is worth $24.57.
Listings sell for $24.57 on average, from $23.39 to $25.46. Amazon reports units sold in ranges. This niche sold 2K to 2K a year. The average listing sells 100 to 250 of them. At $24.57 that is $2K to $6K a year per listing.
- Average price
- $24.57inside the $15 to $100 sweet spot
- Price range
- $23.39–$25.46
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–2K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $2K–$6K
- Returns
- 3.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
80% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #304 within Headphones & Earbuds. It carries 668 reviews at 4.44 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 80%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #304in Headphones & Earbuds
- Average rating
- 4.44 starsAmazon United States average 4.42 stars
- Average reviews
- 668per listing
- Listings tracked
- 5
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 37 months on average, so the names here are settling in.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 37 months
Products
Top Kz Castor 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
CCA KZ Castor Pro Tunable in Ear Monitor HiFi Improved Bass in Ear Headphone Dual-Dynamic Driver Gaming Earbuds IEM Earphones with 2PIN-C Detachable CableBlack with Mic
- Price
- $25.46
- Rating
- 4.5/5
- Reviews
- 257
- Age
- 1y ago

in Ear Monitor Headphones KZ Castor Improved Bass HiFi Earphone Sound Tunable Noise Isolating IEMs Dual-Dynamic Driver Wired Earbuds with Detachable Cable for Singers Musicians
- Price
- $23.39
- Rating
- 4.4/5
- Reviews
- 1,656
- Age
- 2y ago

KZ Castor Pro Tunable in Ear Monitor HiFi Improved Bass in Ear Headphone Dual-Dynamic Driver Gaming Earbuds IEM Earphones with 2PIN-C Detachable Cable
- Price
- $25.42
- Rating
- 4.4/5
- Reviews
- 261
- Age
- 1y ago

KZ Castor in Ear Monitor Headphones with Mic HiFi Improved Bass Earphone Sound Tunable Noise Isolating IEMs Dual-Dynamic Driver Wired Earbuds 2PIN-C Detachable Cable for Singers Musicians
- Price
- $24.77
- Rating
- 4.4/5
- Reviews
- 911
- Age
- 2y ago

KZ Castor Pro Tunable in Ear Monitor HiFi Improved Bass in Ear Headphone Dual-Dynamic Driver Gaming Earbuds IEM Earphones with 2PIN-C Detachable Cable
- Price
- $23.81
- Rating
- 4.5/5
- Reviews
- 257
- Age
- 1y ago
Trending
estimated 90-day click momentum
KZ Castor Pro Tunable in Ear Monitor HiFi Improved Bass in Ear Headphone Dual-Dynamic Driver Gaming Earbuds IEM Earphones with 2PIN-C Detachable Cable
- Price
- $23.81
- Rating
- 4.5/5
- Reviews
- 257
- Age
- 1y ago

CCA KZ Castor Pro Tunable in Ear Monitor HiFi Improved Bass in Ear Headphone Dual-Dynamic Driver Gaming Earbuds IEM Earphones with 2PIN-C Detachable CableBlack with Mic
- Price
- $25.46
- Rating
- 4.5/5
- Reviews
- 257
- Age
- 1y ago

KZ Castor in Ear Monitor Headphones with Mic HiFi Improved Bass Earphone Sound Tunable Noise Isolating IEMs Dual-Dynamic Driver Wired Earbuds 2PIN-C Detachable Cable for Singers Musicians
- Price
- $24.77
- Rating
- 4.4/5
- Reviews
- 911
- Age
- 2y ago

KZ Castor Pro Tunable in Ear Monitor HiFi Improved Bass in Ear Headphone Dual-Dynamic Driver Gaming Earbuds IEM Earphones with 2PIN-C Detachable Cable
- Price
- $25.42
- Rating
- 4.4/5
- Reviews
- 261
- Age
- 1y ago

in Ear Monitor Headphones KZ Castor Improved Bass HiFi Earphone Sound Tunable Noise Isolating IEMs Dual-Dynamic Driver Wired Earbuds with Detachable Cable for Singers Musicians
- Price
- $23.39
- Rating
- 4.4/5
- Reviews
- 1,656
- Age
- 2y ago
Newest
by launch date
CCA KZ Castor Pro Tunable in Ear Monitor HiFi Improved Bass in Ear Headphone Dual-Dynamic Driver Gaming Earbuds IEM Earphones with 2PIN-C Detachable CableBlack with Mic
- Price
- $25.46
- Rating
- 4.5/5
- Reviews
- 257
- Age
- 1y ago

KZ Castor Pro Tunable in Ear Monitor HiFi Improved Bass in Ear Headphone Dual-Dynamic Driver Gaming Earbuds IEM Earphones with 2PIN-C Detachable Cable
- Price
- $25.42
- Rating
- 4.4/5
- Reviews
- 261
- Age
- 1y ago

KZ Castor Pro Tunable in Ear Monitor HiFi Improved Bass in Ear Headphone Dual-Dynamic Driver Gaming Earbuds IEM Earphones with 2PIN-C Detachable Cable
- Price
- $23.81
- Rating
- 4.5/5
- Reviews
- 257
- Age
- 1y ago

in Ear Monitor Headphones KZ Castor Improved Bass HiFi Earphone Sound Tunable Noise Isolating IEMs Dual-Dynamic Driver Wired Earbuds with Detachable Cable for Singers Musicians
- Price
- $23.39
- Rating
- 4.4/5
- Reviews
- 1,656
- Age
- 2y ago

KZ Castor in Ear Monitor Headphones with Mic HiFi Improved Bass Earphone Sound Tunable Noise Isolating IEMs Dual-Dynamic Driver Wired Earbuds 2PIN-C Detachable Cable for Singers Musicians
- Price
- $24.77
- Rating
- 4.4/5
- Reviews
- 911
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 100% of clicks. A locked shelf that new listings rarely crack.
Brands
2 flat
Sellers
4
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
100%
Top 20: 100%
Open market
0%
- CCA77%
- keephifi23%
- Open — no brand owns it (0%)
Demand
Kz Castor search demand
Weekly searches over the year. Pick a range.
Search terms
Top Kz Castor search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- kz castor pro52K/yr
- kz castor50K/yr
- kz castor bass5K/yr
- kz castor pro bass3K/yr
Reviews and returns
What reviews say buyers love and hate about Kz Castor
We read the reviews and the return reasons for every product selling here.
“Bad quality”
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.
17 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 Kz Castor 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









