Exact record: MOMENTUM 4 Wireless Black SKU 509266. Evidence: first-party model-specific material checked 2026-10-11. Manufacturer specifications are attributed; Olive Branch has not conducted a hands-on test.
Quick Verdict and source facts
The August 2026 consumer-support specification ties SKU 509266 to the Black MOMENTUM 4 Wireless. It identifies around-ear fit, Bluetooth 5.2, four named codecs and hybrid adaptive ANC. The “up to 60 hours” music figure assumes an iPhone at mid volume with ANC; a five-minute charge is stated to allow up to four hours of play.
Pros from documentation
long stated endurance, multiple codecs and USB-C charging.
Constraints and limitations
codec availability depends on the connected device, and the battery estimates are conditional; audio quality, isolation and call results remain untested.
Final Verdict
consider it when endurance and source compatibility are priorities, then compare independent exact-model measurements. Exact support sheet.
Primary source
Testing Status: Desk Research Only
Evidence Grade: Needs editor verification.
Last Verified: 10/11/2026
Quick Verdict
The August 2026 consumer-support specification ties SKU 509266 to the Black MOMENTUM 4 Wireless. It identifies around-ear fit, Bluetooth 5.2, four named codecs and hybrid adaptive ANC. The “up to 60 hours” music figure assumes an iPhone at mid volume with ANC; a five-minute charge is stated to allow up to four hours of play.
Key Product Facts
| Brand | Sennheiser |
|---|---|
| Manufacturer | Needs editor verification. |
| Model or SKU | MOMENTUM 4 Wireless Black SKU 509266 |
| Markets Sold | Needs editor verification. |
| Official Product Page | Visit official source |
Specifications and Compliance
Technical Specifications
42 mm dynamic driver; Bluetooth 5.2; SBC/AAC/aptX/aptX Adaptive; hybrid adaptive ANC; up to 60 h playback under stated conditions; approx. 2 h full charge
Pros
long stated endurance, multiple codecs and USB-C charging.
Cons
codec availability depends on the connected device, and the battery estimates are conditional; audio quality, isolation and call results remain untested.
Final Verdict
consider it when endurance and source compatibility are priorities, then compare independent exact-model measurements. Exact support sheet.
Evidence Sources
https://uk.sennheiser-hearing.com/pages/our-company | https://support.sennheiser-hearing.com/hc/en-se/articles/37791406604189-MOMENTUM-4-Wireless-Specifications
Editorial Transparency
| Reviewed By | Needs editor verification. |
|---|---|
| Reviewer Credentials | Needs editor verification. |
| Commercial Relationship | Needs editor verification. |
| Product Provided by Brand | Needs editor verification. |