frequency generator
Launch itA $1.6M/yr market growing +1.4% this quarter with returns at 3.9% — clears our launch bar.
Quality gap
Incredible4.0★avg incumbent rating — lower means beatable quality
Review moat
Great104.51avg incumbent reviews — the moat a new listing must climb
Avg price
Great$56.68avg listing price — sweet spot $15–$100
Market size
Great$1.6M$1.6M/yr · 1.1M searches
Brand share
Good60%top-5 brand share — brands hold most of the demand
Competition
Good42%top-5 click share — leaders hold, buyers still browse
Returns
Okay3.9%return rate — above 6% kills the launch gate
Conversion
Okay2.6%search→purchase rate — share of searches ending in a sale
Growth
Okay+1.4%90-day search growth — must beat 0% to launch
Price range
Okay$10.23–$343.26cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them.Brands
21 falling
Sellers
29
Top-5 brand share
60%
Open market
34%
- OTXUGK23%
- HYXUJO14%
- XIKDS10%
- DR TECHNOLOGIES7%
- HealPul7%
- SXZL6%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 37 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Adjustable Frequency Generator Machine | Schumann Resonance Pulse Generator 7.83Hz Nature Sine Wave Resonator Sound Frequency Devices for Sleep | Relaxation(0.01Hz-200000Hz)
OTXUGK$39.594.3★66 rev
0.01Hz-200kHz Adjustable Frequency Generator for Healing Schumann Sine Waves Resonance Generator 7.83Hz Ultra Low Frequency Generator Resonator with Acrylic Case
OTXUGK$42.164.2★130 rev
Frequency Generator for Healing | Frequency Generator Resonator Sound Frequency Machine with Type-C | 0.01-200000Hz Adjustable Schumann Sine Wave Resonance Generator
HYXUJO$41.134.2★125 rev
Frequency Generator for Healing | Adjustable Schumann Resonance Generator 7.83Hz Natural Frequency Device for Deep Sleep Meditation Yoga | USB Type-C Powered | 0.01Hz200KHz Sound Therapy Tool
XIKDS$40.444.2★198 rev
Frequency Generator for Healing | 7.83Hz Schumann Resonance Frequency Generator | Adjustable 0.01Hz200kHz Sound Therapy Device with Acrylic Case for Sleep Meditation & Relaxation
HYXUJO$38.924.2★63 rev
Newest
by launch date
Calminity Frequency Machine & Calminity Frequency Generator - Adjustable 7.83Hz Schumann Resonance Calamity Frequency Generator Nature Sine Wave Frequency Generator for Sleep (0.01Hz-200000Hz)
calminity$69.547 rev
blinvcra Frequency Generator for Healing 0.01Hz30kHz Adjustable Range 7.83Hz Schumann Resonance Generator USB Powered with LCD Display for Meditation Sleep and Yoga
blinvcra$27.4626 rev
Frequency Generator for Healing 7.83hz Schumann Resonance Generator Adjustable with Ultra-Soft Acoustic Earphones & Storage Case for Relaxation Meditation Focus
GRKZBKW$42.445 rev
blinvcra Frequency Generator for Healing 2026 Upgrade 7.83Hz Schumann Resonance Generator Adjustable 0.01Hz30kHz Frequency USB Powered Device for Sleep Meditation and Yoga with LCD Display
blinvcra$26.0547 rev
Calamity Frequency Generator for Healing 0.01Hz-200KHz Schumann Resonance Generator Machine 7.83Hz Ultra Low Adjustable Frequency Sine Wave Resonator for Sleep
SXZL$34.478 rev
Trending
90-day click momentum
Frequency Generator for HealingSchumann Wave Generator 7.83Hz Adjustable 0.1Hz-30000Hz Programmable Frequency High Stability Digital Crystal Oscillator for Meditation and Relaxation
Generic$24.943.0★
Frequency Generator for Healing | 7.83Hz Earth Pulse Sleep & Meditation White Noise Frequency Machine | 0.01Hz200KHz Adjustable Sound Therapy Tool USB-C Powered Relaxation Aid for Yoga
HYXUJO$32.134.8★
Calminity Frequency Machine & Calminity Frequency Generator - Adjustable 7.83Hz Schumann Resonance Calamity Frequency Generator Nature Sine Wave Frequency Generator for Sleep (0.01Hz-200000Hz)
calminity$69.542.2★
Calamity Frequency Generator for Healing 0.01Hz-200KHz Schumann Resonance Generator Machine 7.83Hz Ultra Low Adjustable Frequency Sine Wave Resonator for Sleep
SXZL$34.473.5★
blinvcra Frequency Generator for Healing 2026 Upgrade 7.83Hz Schumann Resonance Generator Adjustable 0.01Hz30kHz Frequency USB Powered Device for Sleep Meditation and Yoga with LCD Display
blinvcra$26.053.4★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +1.4% search growth over the last 90 days.Peak months: May · busiest ÷ quietest = 1.7×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“the overall quality feels solid”
“easy to operate”
“helps to sleep”
“Affordable price”
“As advertised”
“Excellent sound”
“it does its job well”
“sleek design”
“It creates a calm”
“It is also portable”
What buyers complain about
“Useless Function”
“Broke easily”
“For the low quality”
“useless 'directions' this might work”
“Not helping with sleep issues”
“Not worth it”
“Not what it advertised”
“Not as sturdy as I hoped”
“making it impossible to wear for more than a few minutes at a time”
“The display is non-readable anymore”