Over-Ear
Sennheiser MOMENTUM 4 Wireless
85Outstanding
$234
Full review dataSennheiser MOMENTUM 4 Wireless vs STAX SR-Lambda Pro: which should you buy?
On aggregated review scores the Sennheiser MOMENTUM 4 Wireless comes out ahead with an HearWiki score of 85. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: Sennheiser MOMENTUM 4 Wireless - Outstanding overall at around $234.
Over-Ear
STAX SR-Lambda Pro
82Great
$350
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
Sennheiser MOMENTUM 4 Wireless
Sound8.5
Noise cancelling8.0
Battery9.5
Calls7.5
Value8.5
STAX SR-Lambda Pro
Sound8.5
Value7.0
Specifications
| Spec | Sennheiser MOMENTUM 4 Wireless | STAX SR-Lambda Pro |
|---|---|---|
| Type | Over-Ear | Over-Ear |
| Price (USD) | $234 | $350 |
| HearWiki score | 85 / 100 · Outstanding | 82 / 100 · Great |
| Released | 2022 | - |
| Audio | ||
| Driver | 42mm dynamic drivers | Electrostatic |
| Driver size | 42 mm | - |
| Drivers per side | 1 | 2 |
| Frequency response | 6 Hz - 22,000 Hz | 8Hz-35kHz |
| Sound signature | - | Neutral |
| Impedance | 60 Ω | 122000 Ω |
| Sensitivity | 106 dB/mW | 100 dB/mW |
| Wireless | ||
| Bluetooth | 5.2 | none |
| Bluetooth version | 5.2 | - |
| Codecs | SBC, AAC, aptX, aptX Adaptive | - |
| Multipoint pairing | Yes | No |
| Battery | ||
| Battery life | 60 h | - |
| Full charge time | 120 min | - |
| Quick charge | 5 min = up to 4 h | - |
| Wireless charging | No | No |
| Features | ||
| Active noise cancelling | Yes | - |
| ANC type | adaptive | none |
| Transparency mode | - | No |
| Companion app | - | No |
| Custom EQ | - | No |
| Wear detection | - | No |
| Controls | - | none |
| Design | ||
| Weight | 293 g | 340 g |
| Water resistance | none | - |
| Foldable | - | No |
| Detachable cable | - | No |
| USB-C | Yes | No |
| Calls | ||
| Microphones | 4 | - |
What reviewers said
Sennheiser MOMENTUM 4 Wireless
The Sennheiser MOMENTUM 4 Wireless are premium over-ear headphones that deliver a well-rounded experience, highlighted by exceptional battery endurance and strong overall performance. They pack effective noise cancellation, support for high-quality wireless audio, and a comfortable design, making them a versatile choice for daily use and travel. While not the absolute leaders in any single category, their combination of features and usability offers excellent value at their price point.
- Pro:Outstanding battery life of up to 60 hours
- Pro:Comfortable fit for extended listening sessions
- Pro:Solid active noise cancellation performance
- Con:Sound quality is very good but not class-leading
- Con:Design feels less premium compared to some rivals
- Con:ANC is effective but not the absolute best available
STAX SR-Lambda Pro
The STAX SR-Lambda Pro is a classic electrostatic headphone that delivers a remarkably transparent and detailed neutral sound, with exceptional speed and resolution that highlights its high-end heritage. It requires a dedicated electrostatic amplifier, making it a specialized choice for audiophiles seeking maximum clarity rather than casual listeners. The lightweight design is comfortable, but its wired-only nature and lack of modern conveniences reflect its age and niche positioning.
- Pro:Exceptional detail retrieval and transient speed
- Pro:Neutral, highly accurate tonal balance
- Pro:Very lightweight and comfortable for long sessions
- Con:Requires expensive dedicated electrostatic amplifier
- Con:No detachable cable or modern connectivity options
- Con:Lacks any controls, app support, or wireless features
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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