Side by side comparison and review of Razer Opus and Sennheiser MOMENTUM 4. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Razer Opus | Sennheiser MOMENTUM 4 |
|---|
| Product Type | Headphones - Bluetooth - wireless, 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 | 265 g | 293 g | Razer Opus are lighter than Razer Opus headphones. |
| Colour | Black | Black | White | |
| Earpad Material | Memory foam, nylon, protein-leather, plush | Synthetic leather | |
| Headband Material | Leatherette | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| High-Resolution Audio | - | Yes |
| SOUND QUALITY | Razer Opus | Sennheiser MOMENTUM 4 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | Closed | |
| Adjustable Headband | Yes | Yes | |
| Foldable | - | Yes | Sennheiser MOMENTUM 4 can be folded. |
| Connectivity Technology | Wireless, wired | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.2 | Sennheiser MOMENTUM 4 have a more advanced version of Bluetooth than Razer Opus. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC, aptX | SBC, AAC, aptX, aptX Adaptive | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Advanced ANC | Adaptive Hybrid ANC | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Signature Sound | |
| Frequency Response | 20 - 20000 Hz | 6 - 22000 Hz | Sennheiser MOMENTUM 4 offer a larger frequency range than Razer Opus. |
| Total Harmonic Distortion (THD) | - | 0.3% | |
| Sensitivity | 105 dB/mW | 106 dB | Sennheiser MOMENTUM 4 have higher sensitivity than Razer Opus. |
| Impedance | 12 Ohm | 60 Ohm | |
| Diaphragm | 40 mm | 42 mm | Sennheiser MOMENTUM 4 have a thicker diaphragm than Razer Opus. |
| Features | Quick Attention function | Smart Pause, Crystal-clear Calls |
| MICROPHONE | Razer Opus | Sennheiser MOMENTUM 4 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | 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 Razer Opus. |
| Sensitivity | -38 dBV/Pascal | - | |
| Microphones Included | 2 | 4 | Sennheiser MOMENTUM 4 have a built-in microphone. |
| REMOTE CONTROL | Razer Opus | Sennheiser MOMENTUM 4 |
|---|
| Controls | Power on/off, volume control, multiple function button, ANC/ambient | Volume, play/pause, equaliser preset |
|---|
| CABLE | Razer Opus | Sennheiser MOMENTUM 4 |
|---|
| Cable Type | USB-C cable - detachable - 30 cm Audio cable - detachable - L shaped / mini-phone stereo 3.5 mm - 1.5 m USB-A to USB-C adapter - detachable Airplane connection adapter - detachable |
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 | Razer Opus | 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 | Razer Opus | Sennheiser MOMENTUM 4 |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 700 mAh | |
| Battery Life | 25 hour(s) | 60 hour(s) | Sennheiser MOMENTUM 4 lasts longer on a single charge than the Razer Opus. |
| Charging Time | - | 2 hour(s) | |
| Included Qty | - | 1 |
| CONNECTIONS | Razer Opus | Sennheiser MOMENTUM 4 |
|---|
| Connector Type | Audio input (mini-phone stereo 3.5 mm) USB (24 pin USB-C) |
Headphones (sub-mini phone 2.5 mm 4-pole) USB (24 pin USB-C) |
|---|
| OTHERS | Razer Opus | Sennheiser MOMENTUM 4 |
|---|
| Included Accessories | Carrying case, USB-C charging cable, 3.5 mm audio cable (1.5 m) | Carrying case, airplane adapter, headphones cable (1.2 m), USB-C charging cable (1.2m) | |
|---|---|---|---|
| Software Included | - | Sennheiser Smart Control | |
| Compliant Standards | THX Certified | Bluetooth Class 1 | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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