In depth comparison and review of Bowers & Wilkins P9 Signature and Sennheiser MOMENTUM 4. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Bowers & Wilkins P9 Signature | Sennheiser MOMENTUM 4 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless, wired - 2.5 mm jack, USB-C | |
|---|---|---|---|
| Height | - | 19.5 cm | |
| Width | - | 18 cm | |
| Depth | - | 4.63 cm | |
| Weight | 413 g | 293 g | Sennheiser MOMENTUM 4 are lighter than Bowers & Wilkins P9 Signature headphones. |
| Colour | Brown | Black | White | |
| Earpad Material | Leather, memory foam | Synthetic leather | |
| Headband Material | Aluminium, memory foam | - | |
| Recommended Use | - | Portable electronics | |
| High-Resolution Audio | - | Yes |
| SOUND QUALITY | Bowers & Wilkins P9 Signature | Sennheiser MOMENTUM 4 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | Yes | Both headphones can be folded. |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.2 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX, aptX Adaptive | |
| Active Noise Cancelling | - | Yes | Sennheiser MOMENTUM 4 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Adaptive Hybrid ANC | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Signature Sound | |
| Frequency Response | 2 - 30000 Hz | 6 - 22000 Hz | Bowers & Wilkins P9 Signature offer a larger frequency range than Sennheiser MOMENTUM 4. |
| Max Input Power | 50 mW | - | |
| Total Harmonic Distortion (THD) | 0.2% | 0.3% | Bowers & Wilkins P9 Signature have lower total harmonic distortion than Bowers & Wilkins P9 Signature. |
| Sensitivity | 111 dB | 106 dB | Bowers & Wilkins P9 Signature have higher sensitivity than Sennheiser MOMENTUM 4. |
| Impedance | 22 Ohm | 60 Ohm | |
| Diaphragm | 40 mm | 42 mm | Sennheiser MOMENTUM 4 have a thicker diaphragm than Bowers & Wilkins P9 Signature. |
| Features | - | Smart Pause, Crystal-clear Calls |
| MICROPHONE | Bowers & Wilkins P9 Signature | Sennheiser MOMENTUM 4 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | - | MEMS-directional | |
| Noise Cancelling | - | Yes | Sennheiser MOMENTUM 4 microphone can cancel out ambient noise. |
| Frequency Response | - | 50 - 10000 Hz | |
| Microphones Included | - | 4 |
| REMOTE CONTROL | Bowers & Wilkins P9 Signature | Sennheiser MOMENTUM 4 |
|---|
| Controls | - | Volume, play/pause, equaliser preset |
|---|
| CABLE | Bowers & Wilkins P9 Signature | Sennheiser MOMENTUM 4 |
|---|
| Cable Type | Headphones cable - detachable - 1.2 m Headphones cable - detachable - 5 m |
Headphones cable - detachable - L shaped / sub-mini phone 2.5 mm 4-pole - 1.2 m USB-C to USB-A cable - detachable - 1.2 m |
|
|---|---|---|---|
| Cable Length | - | 1.2 m | |
| Detachable Cable | Yes | Yes |
| FEATURES | Bowers & Wilkins P9 Signature | Sennheiser MOMENTUM 4 |
|---|
| Features | - | Transparent Hearing mode, auto power on/off | |
|---|---|---|---|
| Sensors | - | Touch sensor | |
| Additional Functions | - | Smart Touch Control, USB-C charging port |
| BATTERY AND CHARGING | Bowers & Wilkins P9 Signature | Sennheiser MOMENTUM 4 |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 700 mAh | |
| Battery Life | - | 60 hour(s) | |
| Charging Time | - | 2 hour(s) | |
| Included Qty | - | 1 |
| CONNECTIONS | Bowers & Wilkins P9 Signature | Sennheiser MOMENTUM 4 |
|---|
| Connector Type | Headphones (mini-phone 3.5 mm 4-pole) | Headphones (sub-mini phone 2.5 mm 4-pole) USB (24 pin USB-C) |
|---|
| OTHERS | Bowers & Wilkins P9 Signature | Sennheiser MOMENTUM 4 |
|---|
| Included Accessories | Carrying case, 3.5 mm to 6.3 mm adapter | Carrying case, airplane adapter, headphones cable (1.2 m), USB-C charging cable (1.2m) | |
|---|---|---|---|
| Software Included | - | Sennheiser Smart Control | |
| Compliant Standards | - | Bluetooth Class 1 | |
| Service & Support | Limited warranty - parts and labour - 2 years | Limited warranty - 2 years |
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