headphones
Sony WH-1000XM4
Product apps
Open a tool for this record
Evidence, graph, comparison, coverage, quality, sources, disputes, and embed.
Evidence
25 factsClaims, sources, confidence, and resolver lineage
Graph
has linksLineage, branches, variants, and adjacent products
Compare
product scopedAdd this product to a typed side-by-side view
Benchmarks
cohort readyCategory cohort distributions and fill rates
Coverage Atlas
25 gapsSee this product in the product x attribute matrix
Quality
has gapsCoverage rank and type-validation flags
Disputes
global deskResolve competing claims through governed flows
Sources
source trustTrust, agreement, license, and claim counts
Embed
one productLive provenance-backed card for external pages
Price and derived insights already render inline on this record when the ontology exposes them.
Price
The real market price — what most buyers actually pay (volume-weighted), not the lowest listing.
Overview
- Brand
- Sony
- Release year
- 2020
Specifications
- Form factor
- over-ear
- Enclosure
- closed
- Connection
- wireless
- Bluetooth version
- 5.0
- Codecs
- SBC, AAC, LDAC
Manufacturer & production
- Manufacturer
- Sony Corporation
Development map
Where this model sits in its line.
Is the upgrade worth it?
Against the previous generation, Sony WH-1000XM3 — the changes we can confirm on both, and what it costs. You decide.
- Bluetooth version4.2 → 5.0
- CodecsSBC, AAC, aptX, LDAC → SBC, AAC, LDAC
- ControlsTouch + button → Touch
- Included accessoriesCarrying case, USB-C cable, 3.5 mm cable, flight plug adapter → Carrying case, USB-C cable, 3.5 mm headphone cable, flight plug adaptor
- MultipointNo → Yes
- Sensitivity104.5 dB → 105 dB+0.5 dB
- Weight255 g → 254 g−1 g
How this line has evolved
Across Sony WH-1000XM3 → Sony WH-1000XM4 (2 generations) — how each spec has moved across the line, derived by Serenity. Not a verdict; you decide if a direction is good.
- Sensitivity+0.5 dB (0%)2 of 2 generations · 50% confidence
- Weight-1 g (0%)2 of 2 generations · 50% confidence
3 other specs unchanged across the line.
How it compares
Against 16 headphones in the catalogue — where each spec sits in the cohort.
- Battery life30 h · above median4.5 hmedian 20 h60 h
- Weight254 g · above median4.28 gmedian 240 g384.8 g
- Driver size40 mm · at the median30 mmmedian 40 mm42 mm
What the ontology concluded
The platform's own inferences about this product — derived from the rest of the catalogue, each shown with its reasoning.
- Generation in line2nd in its line
from the successor lineage — 1 known predecessor · 50% confidence
- Known alternatives2 known
counted 2 alternative_to edges in the graph · 38% confidence
What we don't know
25 expected attributes the platform is still missing for this product, the easiest to source first. Know one? Add it in a click — it enters as a community claim and is weighed against any others.
Contribute a value
Add or correct an attribute. Your value enters as a community claim and is weighed against the others.
Open data · CC-BY 4.0. Each value shows its source and confidence; gaps live in “What we don’t know”, where contributors and more sources come in.
Embed this product
One line on any page shows a live, provenance-backed spec card (CC-BY attribution included).
<iframe src="https://serenity-ultimex.vercel.app/embed/sony-wh-1000xm4" width="100%" height="520" style="border:0" title="Serenity — Sony WH-1000XM4"></iframe>Products And Sourcing
This Serenity product is currently offered through Ambrosia and can be saved into your Prometheus sourcing list.
Local pickup or business delivery