Detailed comparison and review of Kokoon Relax 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 | Kokoon Relax | Sennheiser MOMENTUM 4 |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headphones - Bluetooth - wireless, wired - 2.5 mm jack, USB-C | |
|---|---|---|---|
| Height | 17.9 cm | 19.5 cm | |
| Width | 15.9 cm | 18 cm | |
| Depth | 9.4 cm | 4.63 cm | |
| Weight | 350 g | 293 g | Sennheiser MOMENTUM 4 are lighter than Kokoon Relax headphones. |
| Colour | Black | Black | White | |
| Earpad Material | Silicone, fibre fabrics | Synthetic leather | |
| Recommended Use | - | Portable electronics | |
| High-Resolution Audio | - | Yes |
| SOUND QUALITY | Kokoon Relax | Sennheiser MOMENTUM 4 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Sennheiser MOMENTUM 4 can be folded. |
| Connectivity Technology | Wireless, wired | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.0 | Bluetooth 5.2 | Sennheiser MOMENTUM 4 have a more advanced version of Bluetooth than Kokoon Relax. |
| 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 | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Adaptive Hybrid ANC | |
| Noise Isolating | Yes | - | Kokoon Relax are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Signature Sound | |
| Frequency Response | - | 6 - 22000 Hz | |
| Total Harmonic Distortion (THD) | - | 0.3% | |
| Sensitivity | - | 106 dB | |
| Impedance | 32 Ohm | 60 Ohm | |
| Diaphragm | 40 mm | 42 mm | Sennheiser MOMENTUM 4 have a thicker diaphragm than Kokoon Relax. |
| Features | Active White Noise | Smart Pause, Crystal-clear Calls |
| MICROPHONE | Kokoon Relax | 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 | Kokoon Relax | Sennheiser MOMENTUM 4 |
|---|
| Controls | Power on/off | Volume, play/pause, equaliser preset |
|---|
| CABLE | Kokoon Relax | Sennheiser MOMENTUM 4 |
|---|
| Cable Type | Micro-USB charge cable - detachable Headphones cable - detachable - with remote control and mic |
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 | Kokoon Relax | Sennheiser MOMENTUM 4 |
|---|
| Features | - | Transparent Hearing mode, auto power on/off | |
|---|---|---|---|
| Sensors | Accelerometer, EEG sensor | Touch sensor | |
| Additional Functions | - | Smart Touch Control, USB-C charging port |
| BATTERY AND CHARGING | Kokoon Relax | Sennheiser MOMENTUM 4 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 500 mAh | 700 mAh | Sennheiser MOMENTUM 4 have a higher battery capacity than Kokoon Relax. |
| Battery Life | 13 hour(s) | 60 hour(s) | Sennheiser MOMENTUM 4 lasts longer on a single charge than the Kokoon Relax. |
| Charging Time | - | 2 hour(s) | |
| Included Qty | - | 1 |
| CONNECTIONS | Kokoon Relax | Sennheiser MOMENTUM 4 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (sub-mini phone 2.5 mm 4-pole) USB (24 pin USB-C) |
|---|
| OTHERS | Kokoon Relax | Sennheiser MOMENTUM 4 |
|---|
| Included Accessories | Carrying case, micro-USB charging cable, eye mask | 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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