passive radiator
Worth a lookShows a thin review moat (24 avg reviews), but a small market ($46K/yr) keeps it on the watch list.
Review moat
Incredible23.79avg incumbent reviews — the moat a new listing must climb
Avg price
Incredible$26.96avg listing price — sweet spot $15–$100
Price range
Great$6.52–$69.40cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Great+72.5%90-day search growth — must beat 0% to launch
Returns
Good2.1%return rate — above 5% kills the launch gate
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay62%top-5 click share — leaders hold, buyers still browse
Conversion
Bad1.8%search→purchase rate — share of searches ending in a sale
Market size
Bad$46K$46K/yr · 93K searches
According to Flapen's Amazon United States niche tracking, passive radiator is a $46K/yr Amazon United States market (93K searches/yr). The top 5 brands hold 76% of demand. Verdict: Worth a look — 53/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
passive radiator market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- $40K–$54K
- units × avg price
- Conversion rate
- 1.8%
- Avg BSR
- #1,896
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 68%
- Out of stock
- 11.6%
- Avg brand age
- 44 months
- Avg seller age
- 191 days
Competition & brand share
The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.Brands
12 falling
Sellers
48
Top-5 brand share
76%
Top 20: 100%
Top-5 click share
62%
Top 20: 100%
Open market
17%
- KICKER31%
- VONNST17%
- EARTHQUAKE10%
- Dayton Audio10%
- BAIMOQI8%
- CCeCCe7%
- Open — no brand owns it (6 brands, 17%)
Demand
Weekly Amazon search volume, last 45 weeks — +72.5% search growth over the last 90 days.Top passive radiator search terms
- passive radiator57K/yr
- passive radiator subwoofer7K/yr
- 8 passive radiator8K/yr
- 8 inch passive radiator8K/yr
- 10 passive radiator4K/yr
- kicker passive radiator3K/yr
- passive radiator 8 inch4K/yr
Top passive radiator 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 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
KICKER 47KBRW8 8-Inch (20cm) Round Bass Reflex Passive Radiator
KICKER$49.824.8★53 rev
VONNST Subwoofer Diaphragm Loudspeaker Woofer Radiator Enhances Bass Experience and Iron Horn Accessory for Subwoofer Loudspeaker Repair (8inch)
VONNST$14.154.7★8 rev
Earthquake SLAPS-M8v3 8-Inch Mass Tuned Passive Bass Radiator for Home and Mobile Audio Subwoofer Enclosures
EARTHQUAKE$53.705.0★1 rev
CCeCCe 2 Pack 4 Inch Woofer Vibrating Membrane Iron Rubber Vibration Diaphragm Plate Replacement Passive Radiator Film for Bass Speaker Subwoofer Loudspeaker Audio DIY Repair
CCeCCe$9.204.4★118 rev
KICKER 47KBRW10 10-Inch (25cm) Round Bass Reflex Passive Radiator
KICKER$59.714.5★47 rev
Newest
by launch dateEarthquake SLAPS-M8v3 8-Inch Mass Tuned Passive Bass Radiator for Home and Mobile Audio Subwoofer Enclosures
EARTHQUAKE$53.701 rev
8 Inch Passive Radiator Round Bass Loudspeaker Diaphragm for Audiophiles Diaphragm Plate Rubber Plate for Subwoofer Repair Car Woofer Membrane Replacement (8 Inch)
CHSYLFDC$12.762 rev
VONNST Subwoofer Diaphragm Loudspeaker Woofer Radiator Enhances Bass Experience and Iron Horn Accessory for Subwoofer Loudspeaker Repair (8inch)
VONNST$14.158 rev
SYCZIOHU 2 PCS 4 Inch Square Subwoofer Woofer Membrane Passive Radiator Diaphragm Plate Replacement for DIY Subwoofer Repair
SYCZIOHU$10.0910 rev
Gatuida Speaker Diaphragm Plate 4 Inch Bass Loudspeaker Passive Radiator Diaphragm Rubber Vibration Plate for Subwoofer Car Speaker Vibration Membrane Replacement
Gatuida$13.295 rev
Trending
90-day click momentumEarthquake SLAPS-M8v3 8-Inch Mass Tuned Passive Bass Radiator for Home and Mobile Audio Subwoofer Enclosures
EARTHQUAKE$53.705.0★
Earthquake SLAPS-M10v3 10-Inch Mass Tuned Passive Bass Radiator for Home and Mobile Audio Subwoofer Enclosures
EARTHQUAKE$64.085.0★
VONNST Subwoofer Diaphragm Loudspeaker Woofer Radiator Enhances Bass Experience and Iron Horn Accessory for Subwoofer Loudspeaker Repair (8inch)
VONNST$14.154.7★
8 Inch Passive Radiator Round Bass Loudspeaker Diaphragm for Audiophiles Diaphragm Plate Rubber Plate for Subwoofer Repair Car Woofer Membrane Replacement (8 Inch)
CHSYLFDC$12.764.5★
SHOWERORO 4.13 Inch Bass Radiator Passive Speaker Diaphragm Loudspeaker Vibrating Membrane Replacement for Home Audio Speaker Repair
SHOWERORO$14.254.5★
What buyers say about passive radiator
What buyers praise and complain about, mined from review topics.What buyers love
“Tons of bass”
“Sounds great”
“Good quality”
“Good price for deep bass”
“As described”
“true to size”
“Nice constructed”
What buyers complain about
“Not as pictured”
“I'm trying to get to Echo Dot level of audio quality. only”
“it is slightly larger by id say 1/8 inch”
“these are cheap”
Top return reasons
Common questions
- Is passive radiator profitable to sell on Amazon United States?
- The niche generates $46K/yr across 19 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +72.5%. Flapen's verdict: Worth a look (53/100).
- How competitive is the passive radiator niche?
- 12 brands and 48 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 76% of demand.
- What do buyers complain about in passive radiator?
- Top complaints mined from reviews: Advertised Vs Actual Product, Speaker, Size-Overall. The return rate is 2.1%.
- What does it cost to enter the passive radiator niche?
- Listings span $6.52–$69.40; the average listing price is $26.96 (sweet spot $15–$100). The average incumbent carries 24 reviews — the moat a new listing must climb.