Theremin
FailDemand is soft, at -43.9% this quarter, so Theremin is a Fail.
- Flapen Score
- 38 / 100Ranks 84 of 112 Musikinstrumente & DJ-Equipment niches · −7 vs the category median of 4538
- Market size
- €41K/yr54K searches / yr
- 90-day growth
- -43.9%search demand this quarter
- Competition
- 58%top-5 click share · 13 brands · 50 sellers
Flapen Score
Theremin against its category
The dotted line is the Musikinstrumente & DJ-Equipment average. Past it, Theremin is stronger. Inside it, weaker.
Market
The Theremin market on Amazon at a glance
Shoppers on Amazon Germany searched for Theremin 54K times last year and spent an estimated €41K. The top 5 brands take 78% of clicks. Flapen scores it 38 out of 100, a Fail.
01 · Demand
An estimated 1.1% of those searches ended in a purchase.
Shoppers searched for this 54K times in the last 12 months. That counts every search on Amazon Germany for this niche's terms. An estimated 1.1% of those searches ended in a purchase. Searches in the last 90 days moved -43.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated €41K a year.
- Searches, last 12 months
- 54K
- Growth, 90 days vs prior 90
- -43.9%
- Conversion, latest week
- 1.1%
- Market size, estimated
- €41Ka year
- Top search term
- theremin33K searches a year
02 · Price
A sale here is worth €68.61.
Listings sell for €68.61 on average, from €26.87 to €351.46. Amazon reports units sold in ranges. This niche sold 250 to 500 a year. The average listing sells 0 to 100 of them. At €68.61 that is €0 to €7K a year per listing.
- Average price
- €68.61inside the $15 to $100 sweet spot
- Price range
- €26.87–€351.46
- Amazon Germany median price
- €18.99across 29,809 niches
- Units sold a year
- 250–500
- Units per listing a year
- 0–100
- Revenue per listing a year
- €0–€7K
- Returns
- 2.6%of orders · Amazon Germany median 1.1%
03 · Entry bar
The bar here is reviews.
50% of listings pay for placement with sponsored ads. 94% ship with Prime. On an average day, 19.1% of listings are out of stock. The average listing ranks #270 within Musikinstrumente & DJ-Equipment. It carries 1,747 reviews at 4.07 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 50%
- Prime listings
- 94%
- Out of stock, average day
- 19.1%
- Average rank
- #270in Musikinstrumente & DJ-Equipment
- Average rating
- 4.07 starsAmazon Germany average 4.37 stars
- Average reviews
- 1,747per listing
- Listings tracked
- 18
04 · Newcomers
0 of last year's 2 launches cleared the first-year sales bar.
2 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 43 months on average, so the names here are settling in.
- Launched, last 12 months
- 2
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 43 months
Products
Top Theremin 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 16, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
MOOG Theremini - Theremin Mit Pitchkorrektur CV-Ausgang Tuner und Lautsprecher AniMOOG Synthesizer Sound Engine Mit 32 Presets und LCD-Anzeige
- Price
- €351.46
- Rating
- 4.5/5
- Reviews
- 587
- Age
- 12y ago

FRANZIS 65347 - Theremin selber bauen - Bausatz zum Löten das kultige Musik-Instrument als Eigenbau - Spielen Sie das legendäre Sci-Fi-Instrument - mit Platine und 80-seitigem Handbuch ab 14 Jahren
- Price
- €26.87
- Rating
- 3.5/5
- Reviews
- 228
- Age
- 10y ago

Stylophone Theremin
- Price
- €107.47
- Rating
- 4.2/5
- Reviews
- 88
- Age
- 2y ago

FRANZIS 67242 - Magische Klänge: Berührungslos musizieren mit dem Theremin-Bausatz!
- Price
- €27.38
- Rating
- 4.3/5
- Reviews
- 15
- Age
- 1y ago

Mulcort Typ-C-Schnittstelle Audio Theremin Musikmodul Elektronisches Instrument Geniales Vintage Mehrere Stimmen einstellbar mit Farbdisplay
- Price
- €39.49
- Rating
- 3.3/5
- Reviews
- 12
- Age
- 2y ago
Trending
estimated 90-day click momentum
AOWINHIT Theremin Geniales Elektronisches Instrument mit Mehreren Einstellbaren Stimmen Farbdisplay Zur Entwicklung Musikalischer Talente für Anfänger oder Erfahrene Musiker ABS Acryl
- Price
- €46.27
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 7mo ago

Akozon Innovative Mini -Theremin -Musikinstrument -Kit mit Interaktiver Bildschirmanzeige Einstellbares Tuning und Mehrere Töne
- Price
- €45.89
- Rating
- 3.5/5
- Reviews
- 2
- Age
- 1y ago

Bediffer Theremin Geniales Elektronisches Instrument mit Mehreren Einstellbaren Stimmen Farbdisplay Zur Entwicklung Musikalischer Talente für Anfänger oder Erfahrene Musiker ABS Acryl
- Price
- €47.96
- Rating
- 4.0/5
- Reviews
- 1
- Age
- 7mo ago

Typ-C-Musikinstrumentenschnittstelle Theremin 20 Instrumententypen und 70 Töne Elektronisches Mini-Theremin-Musikinstrument mit Farbdisplay
- Price
- €40.58
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 2y ago

Elektronisches -Theremin-Musikinstrument Typ-C-Schnittstelle Mehrere Einstellbare Stimmen Theremin-Vintage-Musikmodul mit Farbbildschirm Innovatives
- Price
- €68.59
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 1y ago
Newest
by launch date
AOWINHIT Theremin Geniales Elektronisches Instrument mit Mehreren Einstellbaren Stimmen Farbdisplay Zur Entwicklung Musikalischer Talente für Anfänger oder Erfahrene Musiker ABS Acryl
- Price
- €46.27
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 7mo ago

Bediffer Theremin Geniales Elektronisches Instrument mit Mehreren Einstellbaren Stimmen Farbdisplay Zur Entwicklung Musikalischer Talente für Anfänger oder Erfahrene Musiker ABS Acryl
- Price
- €47.96
- Rating
- 4.0/5
- Reviews
- 1
- Age
- 7mo ago

Akozon Innovative Mini -Theremin -Musikinstrument -Kit mit Interaktiver Bildschirmanzeige Einstellbares Tuning und Mehrere Töne
- Price
- €45.89
- Rating
- 3.5/5
- Reviews
- 2
- Age
- 1y ago

FRANZIS 67242 - Magische Klänge: Berührungslos musizieren mit dem Theremin-Bausatz!
- Price
- €27.38
- Rating
- 4.3/5
- Reviews
- 15
- Age
- 1y ago

Mini-Theremin-Musikinstrument elektronisches Musikinstrument mit Farbbildschirm 70 verschiedene Stimmen Musikmodul elektronisches Instrument elektronisches Taschen-Synthesizer für Anfänger
- Price
- €44.73
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 58% of clicks. Leaders hold, but buyers still shop past them.
Brands
13 flat
Sellers
50
Est. top-5 brand share
78%
Top 20: 100%
Est. top-5 click share
58%
Top 20: 100%
Open market
16%
- Franzis29%
- Stylophone19%
- MOOG18%
- Mulcort6%
- Akozon6%
- Otamatone6%
- Open — no brand owns it (7 brands, 16%)
Demand
Theremin search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Feb, Dec · busiest ÷ quietest = 4.1× · 8 of 12 months tracked
Search terms
Top Theremin search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- theremin33K/yr
- theremin instrument16K/yr
- theremin kaufen5K/yr
Reviews and returns
What reviews say buyers love and hate about Theremin
We read the reviews and the return reasons for every product selling here.
“eine hochwertigere zu kaufen.”
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.
19 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 Theremin 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









