Looking for an honest DALI IO-12 vs Sony ULT WEAR 900N Wireless Noise Canceling comparison in 2026? We scored both headphones on the same six-dimension framework — performance, battery, display, camera, design and value — using identical methodology, so the numbers below are directly comparable. In our overall scoring the DALI IO-12 comes out ahead 65/100 to 59/100 — a 6-point gap. The widest gap is in performance, where the DALI IO-12 pulls noticeably ahead. On price the Sony ULT WEAR 900N Wireless Noise Canceling undercuts the DALI IO-12 by 299% ($99.99 vs $399), which materially changes the value calculus for budget-conscious buyers.
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DALI IO-12 narrowly beats the Sony ULT WEAR 900N Wireless Noise Canceling in the headphones category, especially in performance, scoring 65 vs 59. If you want the better overall headphones, DALI IO-12 is the recommended choice.
Picking DALI IO-12 over Sony ULT WEAR 900N Wireless Noise Canceling means trading these off.
Specs are roughly matched — winner decided on overall scoring, not a specific spec advantage.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
| Spec | DALI IO-12W | Sony ULT WEAR 900N Wireless Noise Canceling |
|---|---|---|
| Driver Size | 50mm✓ | 40mm |
| ANC | true | true |
| Transparency Mode | true | true |
| Voice Assistant | Google, Alexa | Google, Alexa |
| Battery Life | 30hrs | 30hrs |
| Bluetooth |
Buy DALI IO-12 if…
Buy the DALI IO-12 if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Buy Sony ULT WEAR 900N Wireless Noise Canceling if…
Choose the Sony ULT WEAR 900N Wireless Noise Canceling if budget is your top priority — it offers competitive specs at a lower price point.
DALI IO-12 narrowly beats the Sony ULT WEAR 900N Wireless Noise Canceling in the headphones category, especially in performance, scoring 65 vs 59. If you want the better overall headphones, DALI IO-12 is the recommended choice.
Yes, DALI IO-12 scores higher overall (65 vs 84).
Sony ULT WEAR 900N Wireless Noise Canceling is cheaper at $99.99 vs $399 for the DALI IO-12.
Buy the DALI IO-12 if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Choose the Sony ULT WEAR 900N Wireless Noise Canceling if budget is your top priority — it offers competitive specs at a lower price point.
Both offer 30 hours of battery life.
Sony ULT WEAR 900N Wireless Noise Canceling is lighter at 250g vs 320g.
Reviewed by VersusMatrix Editorial Team
Last updated: June 1, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.
Scores are relative within the headphonescategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
| 5.0 |
| — |
| Codecs | AAC, SBC, aptX | — |
| Multipoint | true | true |
| Foldable | true | true |
| Weight | 320g | 250g✓ |
| Colors | Black | Black, Silver |
| Price | 399$ | 99.99$✓ |