Brandwave

KEF vs Sony:Which is more popular?

In September 2026, Sony had more branded searches than KEF among bluetooth speaker brands worldwide. Sony had about 3.6 million branded searches, while KEF had 143,000. Sony made up 32.2% of all bluetooth speaker brand searches we track, and KEF accounted for 1.3%. When we asked ChatGPT and Google AI Overviews about bluetooth speaker brands, Sony appeared in three of the five answers and KEF in none.

Among bluetooth speaker brands worldwide in September 2026

Who do people search for more?

Sony, about 25 searches for every 1 for KEF

Sony 3.6M searchesKEF 143K searches

Who does AI mention more?

Sony, mentioned in 3 of 5 answers, KEF in 0

Sony in 3 of 5KEF in 0 of 5

Who does AI recommend more?

Sony, the only one of the two named

Sony first in 3KEF never named

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Top bluetooth speaker brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Sony was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. KEF did not appear in any of the five answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. JBL1st
  2. Bose2nd
  3. Soundcore3rd
  4. Ultimate Ears4th
  5. Sony5th
  6. Marshall6th
  7. Sonos7th
  8. Bang & Olufsen–
  9. KEF–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • JBL5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Soundcore5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Bose4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Ultimate Ears4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Sony3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Marshall2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Sonos1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Bang & Olufsen0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • KEF0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about bluetooth speaker brands

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in the United States on October 19, 2026.

Is KEF or Sony more popular in search?

This chart shows how often people search Google for KEF and Sony by name. Each line represents a brand's share of searches for all nine bluetooth speaker brands we track, month by month, from English-language searches worldwide.

KEF and Sony among bluetooth speaker brands worldwide, by month

Share of searches by month for Sony, KEF. The figures are in the table below the chart.

View monthly share of searches table
MonthJBLSonySonosSoundcoreBoseMarshallBang & OlufsenKEFUltimate Ears
Oct 202540%29.1%8.7%5.5%6.9%4.2%3%1.7%0.98%
Nov 202542.1%27.8%9.6%4.8%7.6%3.2%2.7%1.3%0.97%
Dec 202544.4%28%8.1%4.9%7%3.2%2.2%1.3%0.96%
Jan 202642.2%31%7.6%4.8%5.6%3.7%2.6%1.5%0.86%
Feb 202638.6%32.8%8.1%6%6%3.3%2.8%1.6%0.91%
Mar 202638%31.8%9.3%5.9%6.1%3.7%2.6%1.5%1%
Apr 202646.4%27.8%7.2%5.3%5.4%3.3%2.3%1.3%0.95%
May 202642.3%28.4%8.4%6.3%6.1%3.4%2.9%1.4%0.94%
Jun 202643.7%28.3%7.2%6.3%6%4%2.3%1.3%0.94%
Jul 202641.7%31.5%6.8%5.3%5.8%4.5%2.2%1.3%0.9%
Aug 202640.9%31%7.4%5.8%5.9%4.3%2.5%1.3%0.84%
Sep 202639.1%32.2%7.7%6.1%5.5%4.5%2.7%1.3%0.82%

How has the KEF and Sony comparison changed over the last 12 months?

3 findings
  • Sony was ahead of KEF in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, KEF’s share of searches among bluetooth speaker brands worldwide moved from 1.7% to 1.3%, and its estimated monthly branded searches moved from 168K to 143K.
  • Across the 12 months ending September 2026, Sony’s share of searches among bluetooth speaker brands worldwide moved from 29.1% to 32.2%, and its estimated monthly branded searches moved from 2.9M to 3.6M.

How did search popularity change for bluetooth speaker brands worldwide in September 2026?

2 changes
  1. In September 2026, Sony gained share of searches among bluetooth speaker brands worldwide, from 31% to 32.2%.

  2. Estimated monthly branded searches for KEF worldwide fell 14.9% over 12 measured months, from 168K to 143K in September 2026.

How are branded searches counted?

5 search terms

Brandwave collects information about searches that people make online using KEF’s and Sony’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

KEF

2 branded search terms

  • kef
  • kef speakers

Sony

3 branded search terms

  • sony
  • sony cyber shot
  • sony headphone

How the Brand Demand Index is measured

Other head-to-heads among bluetooth speaker brands

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