Product Library / Smart Lighting

Sengled Matter Smart Bulb A19 (W41-N15A)

Compiled by SmartHomeWorkflow Research · Sengled · Smart Lighting · ~$7.63 (at time of research, 2026-08-27, Amazon (amazon.com/dp/B0C6QY1DRW, sold by a third-party seller, fulfilled by Amazon) — inventory sell-through pricing continuing to fall (was $10 as of 2026-07-15, MSRP was $19.99) — never treated as a live price)

Compatibility

Protocols: WIFI · MATTER^[2][6]

Needs before it works: Any Matter controller (Echo, Google hub, Apple TV/HomePod, SmartThings hub, or Home Assistant) — no Sengled hub or app needed^[2]

Subscription reality^[2]

✓ Works without a subscription: Yes.

Vendor account required: Not established — we have not sourced this yet.

No subscription — and with the manufacturer defunct, there is nothing left to subscribe to

Maintenance reality^[2]

• Works without the internet: Yes — the core function runs on the device or your home network. A vendor cloud may still be involved in remote access.^[2]
• Matter QR-code pairing goes direct to your controller — the Sengled app and cloud are not in the loop. Zero expectation of future firmware or security updates; warranty support effectively unavailable. 2.4 GHz WiFi only.
• Security updates: No security-update support date is on record for this model yet. We haven't yet checked whether Sengled publishes one, so this is a gap in our research — not a statement about the manufacturer.

Who it's for

Mainly existing Sengled owners working out what still functions — for new purchases, current-manufacturer Matter bulbs at the same price make more sense.

Sources & method

Numbered sources below back the facts marked with the matching number above. This is a research profile: compiled from manufacturer documentation, certification registries, and published testing — we state facts, not verdicts, and we have not physically tested this unit. How we work →

1. [1] Directly re-observed 2026-08-08: us.sengled.com returns HTTP 402 Payment Required, unchanged from the 2026-07-15 observation. Original basis retained: support-site SSL failure 2026-07-15; inside.lighting (June 2025 cloud outage); LightNOW August 2025 (Alexa skill removal, company distress); Hubitat community thread — vendor-page research, verified 2026-08-08
   Backs: Market availability, Service status, Research status
2. [2] FCC/device registry (device.report W41-N15A, Matter-over-WiFi 2.4GHz); Matter Alpha registry mirror (MSRP, 2023 release, 2026-07 street price); Sengled support-article titles (official pages unreachable) — registry-lookup, verified 2026-07-15
   Backs: Required hub or bridge, Subscription, Maintenance, Works without the internet, Product identity, Protocols
3. [3] Standard Matter path across all five ecosystems (registry + retail listings + user reports); Alexa cloud-skill removal per LightNOW Aug 2025 — registry-and-press research, verified 2026-07-15
   Backs: Amazon Alexa compatibility, Google Home compatibility, Apple Home compatibility, SmartThings compatibility, Home Assistant compatibility
4. [4] Routes attempted 2026-08-19: us.sengled.com (HTTP 402) · www.sengled.com (DNS failure) · support.sengled.com (TLS handshake failure; blocks the model-matched KB article hc/en-us/articles/19515123415963-Matter-Bulb-Set-Up-W41-N15A-W41-U33A) · device.report/sengled/w41-n15a (HTTP 403, refusal, not worked around) · web.archive.org (HTTP 429, rate-limited, route remains open). [SUPERSEDED 2026-08-22 — the route list above is the 2026-08-19 measurement, not today's state. Corrected, read 2026-08-22: us.sengled.com/robots.txt returns HTTP 200 with `User-agent: *` / `Disallow: /`, a published blanket crawler refusal, so this host BLOCKS US — the 402 still reproduces on a HEAD behind Cloudflare, but it is no longer the reason the host is closed to us · www.sengled.com RESOLVES and fails on an EXPIRED TLS CERTIFICATE, not on DNS · web.archive.org IS NOT an open route for these hosts: fetch-conduct R-1/R-2 (ratified 2026-08-21) forbid reading, rendering or routing to a mirror of a host that publishes a crawler refusal, so the archive rung is closed by rule rather than by a retryable rate limit · support.sengled.com unchanged, still a TLS handshake failure. Conclusion unchanged: no URL can be attached to this record.] — sourcing attempt — all permitted routes exhausted, no claim made, verified 2026-08-19
5. [5] BQ-187 capabilities assessment, 2026-08-20. This record carries NO first-party URL of any kind — its evidence is an FCC device registry entry, a third-party Matter registry mirror and Sengled support-article titles — and no Sengled product page for the model was located in this pass. — vendor-and-ecosystem-doc research (BQ-187 capabilities population, batch 9 — lighting), verified 2026-08-20
6. [6] BQ-222 batch 1 confirmation pass, 2026-08-20: this record's existing protocol evidence was re-read against the ruled definition of `protocols` (what the DEVICE ITSELF speaks; reachable-via-a-bridge belongs in `integrations`/`hubs`). No new external source was fetched — the evidence already on this record was re-examined, and the entry states what it establishes. — protocols-definition sweep (BQ-222 batch 1; ruling §1 of docs/decisions/2026-08-20-RULINGS-SITTING.md), verified 2026-08-20
   Backs: Protocols
7. [7] BQ-269 fixed source ladder, re-attempted 2026-08-27, each rung once, gated by robots.txt/rejected-sources.json: (a) us.sengled.com/robots.txt re-fetched → still HTTP 200 with `User-agent: *` / `Disallow: /`, the blanket crawler refusal first read 2026-08-22 — unchanged, so this host stays CLOSED by rule; not re-fetched further. www.sengled.com and support.sengled.com not re-probed either (both already established as failing on TLS, not on a refusal, and re-knocking them adds nothing the robots block doesn't already settle for the same domain family). (b) CSA-IOT certified-products database, queried two ways per the two-query absence rule: free-text keyword search for "Sengled W41-N15A" and for "Sengled" alone → both return "No Entries Found"; the Company filter's full alphabetical dropdown (600+ manufacturers) was also read in full and contains NO "Sengled" entry at all today. The csa_product/sengled-*-bulb URLs that used to exist (found via web search, previously cited in this record's provenance) now 404 live — confirmed by direct navigation to three of them. (c) FCC registry via a mirror (device.report gives HTTP 403, unchanged, not worked around): fccid.io's own search for "W41-N15A" returns no filing; the full product list for Sengled's known grantee code 2AGN8 (54 filings, earliest 2015 through the most recent in April 2025) was read in full and does not include W41-N15A or W41-U33A. — sourcing ladder re-attempt — routes (a)/(b)/(c) all refuse or are absent, no claim made beyond what was already on record, verified 2026-08-27
   Backs: Service status, Research status
8. [8] Amazon product listing, amazon.com/dp/B0C6QY1DRW ("Sengled Matter LED Smart Light Bulb (A19), Multicolor, Compatible with Alexa, 60W Equivalent, 800LM, Instant Pairing, 1-Pack") — read directly, browser-rendered (the page is JS-heavy and a plain fetch returns no body content). $7.63, "In Stock", third-party seller fulfilled by Amazon, New & Used from $6.56. — retailer listing (browser-rendered read, JS-shell host), verified 2026-08-27
   Backs: Price, Market availability

Compatibility and lifecycle information reflects the last-verified date above and can change without notice (firmware updates, cloud-service changes, discontinuations). It is provided as-is, for information — verify with the manufacturer before purchasing. Spot an error? Tell us and we'll fix it. Full terms: Terms of Service.

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