📦 Specifications & Details
Sennheiser Momentum True Wireless 4 is a premium pair of true wireless earbuds with active noise cancellation. The model uses dynamic TrueResponse transducers, Bluetooth 5.4, and broad codec support including aptX Adaptive and aptX Lossless. The product combines high grade sound quality, long battery life, and modern wireless features for Android and iOS users.
Momentum True Wireless 4 is one of the most complete audiophile oriented TWS products in the premium segment, especially for users who value codec support, detail retrieval, and wireless flexibility.
The Sennheiser Momentum True Wireless 4 is the fourth generation of the brand’s flagship wireless earbuds and sits in the upper tier of the true wireless audio market. The product is rated for up to 7.5 hours of playback on the earbuds and up to 30 hours total with the charging case, while also adding Bluetooth 5.4 and aptX Lossless support for compatible source devices. Its acoustic platform is built around 7 mm TrueResponse dynamic drivers, and its active noise cancellation system is adaptive rather than fixed. In market terms, it competes directly with the Sony WF-1000XM5 and Technics EAH-AZ80, with a stronger emphasis on codec breadth, Snapdragon Sound readiness, and future facing LE Audio features. For specification validation and standards context, authoritative references include sennheiser-hearing.com and bluetooth.com.
⚙️ Technical Specifications
| Product name | Sennheiser Momentum True Wireless 4 |
| Brand | Sennheiser |
| Series | Momentum |
| Product type | true wireless earbuds |
| Form factor | in-ear |
| Acoustic design | closed |
| Driver type | 7 mm TrueResponse dynamic driver |
| Drivers per earbud | 1 |
| Earbud frequency response | 5 Hz – 21,000 Hz |
| Microphone frequency response | approximately 100 Hz – 10,000 Hz |
| Noise cancellation | adaptive active noise cancellation |
| Transparency mode | yes |
| ANC architecture | hybrid adaptive ANC |
| Sound personalization | Sound Personalization via the Smart Control app |
| Equalizer | 5-band or app based EQ depending on software version |
| Sound modes | Bass Boost, Podcast, custom presets |
| Spatial audio | not the primary focus of the model |
| Bluetooth version | Bluetooth 5.4 |
| Bluetooth profiles | A2DP, AVRCP, HFP, TMAP and related LE Audio profiles where supported |
| LE Audio | supported |
| Auracast | platform and future support readiness on compatible devices |
| Multipoint | yes |
| Automatic switching | between paired devices depending on use scenario |
| Supported codecs | SBC, AAC, aptX, aptX Adaptive, aptX Lossless, LC3 |
| Hi-Res audio support | supported on compatible source devices and codecs |
| Wireless range | up to approximately 10 m |
| Antenna | integrated |
| Microphones | 3 microphones per earbud |
| Total microphones | 6 |
| Call quality system | beamforming with noise reduction |
| Voice assistant support | supports Siri and Google Assistant through the connected device |
| Controls | capacitive touch surfaces |
| Gesture customization | yes |
| Single earbud use | yes, independent left or right earbud operation |
| Auto pause | yes, via wear detection sensors |
| Sensors | wear sensor, touch interface, charging contacts |
| Housing material | polymer earbud body and fabric finished charging case |
| Colors | Black Graphite, White Silver, Black Copper depending on market |
| Water resistance | IP54 for the earbuds |
| Case protection | no widely cited high level IP rating for the case |
| Earbud battery | integrated lithium-ion |
| Case battery | integrated lithium-ion |
| Battery life without ANC | up to about 7.5 hours depending on conditions |
| Battery life with ANC | around 7 hours typical, depending on volume and codec |
| Total battery life with case | up to 30 hours |
| Fast charging | about 8 minutes for up to 1 hour of playback |
| Charging port | USB-C |
| Wireless charging | Qi |
| Full charge time | about 1.5 hours for the earbuds, longer for a full case cycle |
| App | Sennheiser Smart Control |
| OS compatibility | Android, iOS |
| Firmware updates | yes |
| Personal sound test | yes |
| Fit test | yes, through the app |
| Qualcomm Snapdragon Sound compatibility | yes, with compatible devices |
| Gaming audio behavior | lower latency with aptX Adaptive and compatible hardware |
| Latency | source and codec dependent, lower than standard SBC in suitable conditions |
| Build quality | premium class |
| Weight per earbud | approximately 6.2 g |
| Weight with case | approximately 77 g |
| Case dimensions | compact pocketable format, approximately 66.2 x 43.8 x 34.8 mm |
| Included ear tips | silicone tips in multiple sizes |
| Included stability fins | yes, in multiple sizes |
| Box contents | earbuds, charging case, USB-C cable, silicone ear tips, stability fins, documentation |
| Launch price class | premium |
| Market positioning | audiophile true wireless model for daily and mobile listening |
📝 Features and Analysis
When I listen to the Momentum True Wireless 4, the first thing I notice is the maturity of its frequency balance and the cleanliness of the midrange. I like that Sennheiser does not depend on exaggerated bass alone and instead aims for a more natural, detailed presentation. In early professional impressions, the phrase “among the best-sounding true wireless earbuds” appears repeatedly, and in my view that reputation is justified when the fit is correct and the source device can take advantage of the best codecs. I would recommend this model most strongly to listeners who already use a capable source and want more than routine mobile audio. If my only priority were absolute ANC performance, I would compare it very carefully with Sony, but for music first listening, Sennheiser is an exceptionally strong option.
📚 Glossary
• aptX Lossless: A Qualcomm Bluetooth audio codec intended to transmit CD quality audio without data loss when both the source device and the radio link support the required conditions.
• LE Audio: The newer generation Bluetooth audio framework focused on higher efficiency, better stream management, and support for the LC3 codec.
• Adaptive ANC: An active noise cancellation system that changes its filtering intensity based on the surrounding environment and the way the earbuds are seated in the ear.
• Beamforming microphones: A multi microphone arrangement that focuses capture on the user’s voice while reducing surrounding noise during calls.
🆚 Comparison
Momentum True Wireless 4 sits very close to the strongest products in the premium TWS category. Against the Sony WF-1000XM5, the Sennheiser places more emphasis on codec support and an audiophile leaning sound signature, while Sony is often regarded as the stronger pure ANC performer. Against the Technics EAH-AZ80, Sennheiser offers deeper Snapdragon Sound integration and aptX Lossless support, while Technics is often praised for three device multipoint behavior and very strong voice call performance. All three products lack a display, use compact wireless audio chip platforms rather than smartphone style chipsets, share a similar premium price bracket, and deliver roughly 7 to 8 hours of earbud battery life.
• Rival 1: Sony WF-1000XM5: similar premium pricing and class, but Sony typically delivers stronger noise cancellation, while Sennheiser offers a richer aptX ecosystem and a more overtly audiophile tuning approach.
• Rival 2: Technics EAH-AZ80: very close in category and features, but Technics emphasizes three device multipoint and excellent call handling, while Sennheiser stands out with aptX Lossless, Bluetooth 5.4, and stronger LE Audio orientation.
💡 Frequently Asked Questions (FAQ)
❓ QUESTION: Are the Momentum True Wireless 4 earbuds a good choice for audiophile listeners?
✅ ANSWER: Yes. This is one of the more convincing TWS options for listeners who care about detail retrieval, dynamic contrast, and broad codec support. Sennheiser’s TrueResponse drivers are known for clean treble, solid bass control, and good low level detail, and users with a compatible Snapdragon Sound phone can benefit from aptX Adaptive or aptX Lossless for better wireless performance.
❓ QUESTION: How strong is the active noise cancellation in real use?
✅ ANSWER: The ANC system is very capable for office use, commuting, and urban listening, although the Sony WF-1000XM5 is still often treated as the benchmark for absolute noise suppression. The Sennheiser strength is balance rather than brute force, because it combines effective ANC with very good sound quality and a natural transparency mode. Real world performance depends heavily on choosing the right ear tip size and getting a proper seal.
❓ QUESTION: What does aptX Lossless actually mean for the buyer?
✅ ANSWER: It means the earbuds can, under the right conditions, receive lossless CD quality audio over Bluetooth. In practice, the user needs a compatible source device, often within the Snapdragon ecosystem, and a stable wireless link. If those conditions are not met, the earbuds fall back to other codecs such as aptX Adaptive, AAC, or SBC.
❓ QUESTION: Are the microphones good enough for calls and video meetings?
✅ ANSWER: Yes. The model uses 3 microphones per earbud and beamforming processing to improve vocal intelligibility. In quiet and moderately noisy environments, call quality is strong enough for everyday phone calls and remote meetings, though heavy wind and dense street noise still reduce clarity as they do with most in-ear wireless products.
❓ QUESTION: Is it worth upgrading from Momentum True Wireless 3?
✅ ANSWER: For buyers who want Bluetooth 5.4, LE Audio readiness, aptX Lossless, and a more future proof wireless platform, the upgrade case is solid. If you are already satisfied with the Momentum True Wireless 3 and do not use advanced codecs or multipoint often, the step forward may feel evolutionary rather than dramatic. The strongest value of the newer model lies in its wireless architecture, compatibility roadmap, and overall refinement.
* Prices and availability are subject to change.
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