Is brookstone sound machine profitable to sell on Amazon United States?

The niche generates $135K/yr across 25 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is -33.0%. Flapen's verdict: Skip it (37/100).

How competitive is the brookstone sound machine niche?

16 brands and 24 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 78% of demand.

What do buyers complain about in brookstone sound machine?

Top complaints mined from reviews: Durability, Size-Overall, Quality-Overall. The return rate is 3.1%.

When does demand for brookstone sound machine peak?

Demand peaks in Oct; the busiest month runs 1.7× the quietest.

What does it cost to enter the brookstone sound machine niche?

Listings span $12.57–$92.30; the average listing price is $26.52 (sweet spot $15–$100). The average incumbent carries 9,196 reviews — the moat a new listing must climb.

brookstone sound machine

Skip it

Soft demand (-33.0% this quarter) — this niche doesn't clear our bar today.

Avg price

Incredible$26.52

avg listing price — sweet spot $15–$100

Price range

Great$12.57–$92.30

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

Returns

Okay3.1%

return rate — above 5% kills the launch gate

Brand share

Okay78%

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

Conversion

Okay3.1%

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

Market size

Okay$135K

$135K/yr · 163K searches

Competition

Okay67%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad9,196.04

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-33.0%

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

According to Flapen's Amazon United States niche tracking, brookstone sound machine is a $135K/yr Amazon United States market (163K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Oct. Verdict: Skip it — 37/100.

Data updated Jul 12, 2026 · scored weekly · How we score niches

brookstone sound machine market data

Units sold / yr: 4K–5K; avg 100–250/product
Revenue / yr: $106K–$133K; units × avg price
Conversion rate: 3.1%
Avg BSR: #41
Page quality: 0%
Prime: 100%
Sponsored: 92%
Out of stock: 12.0%
Avg brand age: 36 months
Avg seller age: 186 days

Competition & brand share

The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.

Brands

16 falling

Sellers

Top-5 brand share

78%

Top 20: 100%

Top-5 click share

67%

Top 20: 94%

Open market

17%

Hotmoon26%
HOUSBAY19%
Magicteam17%
BrownNoise9%
Hushing6%
Color Noise5%
Open — no brand owns it (10 brands, 17%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -33.0% search growth over the last 90 days.

Peak months: Oct · busiest ÷ quietest = 1.7×

Open Trend

Top brookstone sound machine search terms

green noise machine for sleeping52K/yr -41.5%2.9% conv.
green noise machine29K/yr -38.1%1.8% conv.
green noise21K/yr -26.4%0.7% conv.
green noise sound machine19K/yr -37.7%2.0% conv.
housbay white noise machine11K/yr -22.5%7.6% conv.
green noise sound machine for sleeping7K/yr +16.4%1.8% conv.
housbay sound machine3K/yr +24.6%6.9% conv.
sound machine green noise3K/yr -13.1%3.0% conv.
green sound machine2K/yr -13.3%1.3% conv.
green sound machine for sleeping3K/yr -61.0%1.7% conv.

All search terms

Top brookstone sound machine 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Hotmoon Sound Machine for Sleep Cocoon 2 White Noise Sound Machine with 40 Relaxing Sounds Dual-Speaker & Timer 8 Night Light Pink Brown Green Noise for Sleeping Adults Office Privacy Plug-in

Hotmoon$27.834.6★1,000 rev

Housbay White Noise Machine with 31 Soothing Sounds 5W Loud Stereo Sound Auto-Off Timer Adjustable Volume Sleep Sound Machine for Baby Kid Adult -Wood Grain

HOUSBAY$26.934.6★18,926 rev

Magicteam Sound White Noise Machine with 20 Non Looping Natural Soothing Sounds and Memory Function 32 Levels of Volume Powered by AC or USB and Sleep Sound Timer Therapy for Baby Kids Adults

Magicteam$19.104.5★68,445 rev

Brown Noise Sound Machine with 30 Soothing Sounds 12 Colors Night Light White Noise Machine for Adults Baby Kids Sleep Machines Memory Function 36 Volume Levels 5 Timers for Home Office Travel

BrownNoise$18.454.6★11,978 rev

Sound Machine Night Light White Noise Brown Noise Machine 30 Non Looping Sounds 12 Lights 5 Timers 36 Adjustable Volume Memory Function Sleep Sounds Machine for Baby Kids Adult & Home Office Travel

Hushing$17.944.6★2,912 rev

Newest

by launch date

Hotmoon Sound Machine for Sleep Cocoon 2 White Noise Sound Machine with 40 Relaxing Sounds Dual-Speaker & Timer 8 Night Light Pink Brown Green Noise for Sleeping Adults Office Privacy Plug-in

Hotmoon$27.831,000 rev

6mo ago

Dreamegg White Noise Machine for Adults - 10W Powerful Sound Machine with 29 Soothing Sounds Noise Masking for Snoring Traffic & Office Privacy Ideal for Home Travel & Deep Sleep

Dreamegg$38.457,700 rev

8mo ago

Hotmoon Alarm Clock with Sound Machine for Sleep Luna Pro Dual-Stage Smart Alarm 507 Sounds & 10 Healing Frequencies (108-963Hz) Pink Green Brown White Noise for Sleeping Adults Meditation Plug In

Hotmoon$59.3482 rev

9mo ago

Dreamegg D1 Nova Sound Machine Alarm Clock White Noise for Sleep Black

Dreamegg$24.019,255 rev

11mo ago

Soothing Sounds White Noise Machine Portable Sleep Machines with 30 Relaxing Sounds 12 Color Options 5 Adjustable Brightness 32 Volume Levels 4 Timer for Baby and Adult Perfect for Home Travel Office

Soothing Sounds$17.24373 rev

1y ago

What buyers say about brookstone sound machine

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

What buyers love

Sleep Quality14%

“Helps me sleep”

Quality-Overall12%

“Excellent product”

Value For Money10%

“Money well spent”

Ease Of Use10%

“easy to control”

Portability7%

“Nice and portable”

Advertised Vs Actual Product6%

“Accurate description”

Size-Overall5%

“I love the size”

Color4%

“The colors are very pretty”

Efficiency3%

“It does the job”

Compactness3%

“Nice for travel, compact”

What buyers complain about

Durability20%

“Didn't last”

Size-Overall9%

“This is a small unit”

Quality-Overall7%

“This is the cheapest quality item Ive ever received”

Charging6%

“it stopped charging”

Functionality-Overall5%

“Does not function properly”

Touch/Button Controls4%

“button are terrible on it”

Sleep Quality3%

“it didn't help me sleep”

Value For Money2%

“WAY overpriced”

Noise Level2%

“Very loud for how little it is”

Brightness/Shine/Glow2%

“The light isnt too bright”

Top return reasons

Functionality-Overall15%

Size-Overall13%

Advertised Vs Actual Product12%

Charging9%

Audio Quality5%

Value For Money5%