In depth comparison and review of Sennheiser HD 458BT and Kokoon Relax. 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 | Sennheiser HD 458BT | Kokoon Relax |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Height | - | 17.9 cm | |
| Width | - | 15.9 cm | |
| Depth | - | 9.4 cm | |
| Weight | 238 g | 350 g | Sennheiser HD 458BT are lighter than Sennheiser HD 458BT headphones. |
| Colour | Black | Black | |
| Earpad Material | - | Silicone, fibre fabrics | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Sennheiser HD 458BT | Kokoon Relax |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sennheiser HD 458BT can be folded. |
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 4.0 | Sennheiser HD 458BT have a more advanced version of Bluetooth than Kokoon Relax. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC, AAC, aptX, apt-X LL | - | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Noise Isolating | - | Yes | Kokoon Relax are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 22000 Hz | - | |
| Total Harmonic Distortion (THD) | <0.3% | - | |
| Impedance | - | 32 Ohm | |
| Max Sound Pressure | 108 dB | - | |
| Diaphragm | - | 40 mm | |
| Features | Voice control | Active White Noise |
| MICROPHONE | Sennheiser HD 458BT | Kokoon Relax |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | On-cable | |
| Frequency Response | 80 - 6000 Hz | - |
| REMOTE CONTROL | Sennheiser HD 458BT | Kokoon Relax |
|---|
| Controls | - | Power on/off |
|---|
| CABLE | Sennheiser HD 458BT | Kokoon Relax |
|---|
| Cable Type | Audio cable - detachable USB-C charge cable - detachable |
Micro-USB charge cable - detachable Headphones cable - detachable - with remote control and mic |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| FEATURES | Sennheiser HD 458BT | Kokoon Relax |
|---|
| Sensors | - | Accelerometer, EEG sensor |
|---|
| BATTERY AND CHARGING | Sennheiser HD 458BT | Kokoon Relax |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 600 mAh | 500 mAh | Sennheiser HD 458BT have a higher battery capacity than Kokoon Relax. |
| Battery Life | 30 hours | 13 hour(s) | Sennheiser HD 458BT lasts longer on a single charge than the Kokoon Relax. |
| Charging Time | 2 hours | - |
| CONNECTIONS | Sennheiser HD 458BT | Kokoon Relax |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Sennheiser HD 458BT | Kokoon Relax |
|---|
| Included Accessories | Carrying case | Carrying case, micro-USB charging cable, eye mask | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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