Detailed comparison and review of Sennheiser HD 400S and Sennheiser MOMENTUM 4. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Sennheiser HD 400S | 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 | 217 g | 293 g | Sennheiser HD 400S are lighter than Sennheiser HD 400S headphones. |
| Colour | Black | Black | White | |
| Earpad Material | - | Synthetic leather | |
| Recommended Use | Portable electronics | Portable electronics | |
| High-Resolution Audio | - | Yes |
| SOUND QUALITY | Sennheiser HD 400S | Sennheiser MOMENTUM 4 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | 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 | |
| Noise Isolating | Yes | - | Sennheiser HD 400S are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Signature Sound | |
| Frequency Response | 18 - 20000 Hz | 6 - 22000 Hz | Sennheiser MOMENTUM 4 offer a larger frequency range than Sennheiser HD 400S. |
| Total Harmonic Distortion (THD) | 0.5% | 0.3% | Sennheiser MOMENTUM 4 have lower total harmonic distortion than Sennheiser HD 400S. |
| Sensitivity | - | 106 dB | |
| Impedance | 18 Ohm | 60 Ohm | |
| Max Sound Pressure | 120 dB | - | |
| Diaphragm | - | 42 mm | |
| Features | - | Smart Pause, Crystal-clear Calls |
| MICROPHONE | Sennheiser HD 400S | 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 | 100 - 10000 Hz | 50 - 10000 Hz | Sennheiser MOMENTUM 4 offer a larger microphone frequency range than Sennheiser HD 400S. |
| Microphones Included | - | 4 |
| REMOTE CONTROL | Sennheiser HD 400S | Sennheiser MOMENTUM 4 |
|---|
| Controls | Answer/end, play/pause, next/previous track | Volume, play/pause, equaliser preset |
|---|
| CABLE | Sennheiser HD 400S | Sennheiser MOMENTUM 4 |
|---|
| Cable Type | Headphones cable - detachable - L shaped / mini-phone stereo 3.5 mm - 1.4 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 | 1.4 m | 1.2 m | |
| Detachable Cable | Yes | Yes |
| FEATURES | Sennheiser HD 400S | 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 | Sennheiser HD 400S | 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 | Sennheiser HD 400S | Sennheiser MOMENTUM 4 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headphones (sub-mini phone 2.5 mm 4-pole) USB (24 pin USB-C) |
|---|
| OTHERS | Sennheiser HD 400S | Sennheiser MOMENTUM 4 |
|---|
| Included Accessories | - | 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 - 2 years | Limited warranty - 2 years |
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