In depth comparison and review of Sennheiser HD 4.50 BTNC Wireless and KEF Porsche Design Space One. 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 4.50 BTNC Wireless | KEF Porsche Design Space One |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Height | - | 8.2 cm | |
| Width | - | 19.5 cm | |
| Depth | - | 17 cm | |
| Weight | 238 g | 330 g | Sennheiser HD 4.50 BTNC Wireless are lighter than Sennheiser HD 4.50 BTNC Wireless headphones. |
| Colour | - | Titanium | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser HD 4.50 BTNC Wireless | KEF Porsche Design Space One |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sennheiser HD 4.50 BTNC Wireless can be folded. |
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.0 | Bluetooth 4.1 | KEF Porsche Design Space One have a more advanced version of Bluetooth than Sennheiser HD 4.50 BTNC Wireless. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | NoiseGard active noise compensation | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 22000 Hz | 20 - 20000 Hz | Sennheiser HD 4.50 BTNC Wireless offer a larger frequency range than KEF Porsche Design Space One. |
| Max Input Power | - | 12 mW | |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 113 dB | 94 dB | Sennheiser HD 4.50 BTNC Wireless have higher sensitivity than KEF Porsche Design Space One. |
| Impedance | 18 Ohm | 16 Ohm | |
| Diaphragm | - | 40 mm | |
| Magnet Material | Neodymium | Neodymium | |
| Features | Bluetooth aptX technology | Voice control, Bluetooth aptX technology |
| MICROPHONE | Sennheiser HD 4.50 BTNC Wireless | KEF Porsche Design Space One |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Sennheiser HD 4.50 BTNC Wireless | KEF Porsche Design Space One |
|---|
| Controls | Power on/off, volume control, answer/end, hold, play/pause, next/previous track, reject call, redial | - |
|---|
| CABLE | Sennheiser HD 4.50 BTNC Wireless | KEF Porsche Design Space One |
|---|
| Cable Type | Headphones cable - detachable - L shaped - 1.4 m Micro-USB charge cable - detachable |
Headphones cable - detachable | |
|---|---|---|---|
| Cable Length | 1.4 m | - | |
| Detachable Cable | Yes | Yes | |
| Plated Connector | Gold | - |
| BATTERY AND CHARGING | Sennheiser HD 4.50 BTNC Wireless | KEF Porsche Design Space One |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 600 mAh | 850 mAh | KEF Porsche Design Space One have a higher battery capacity than Sennheiser HD 4.50 BTNC Wireless. |
| Battery Life | 25 hour(s) | 110 hour(s) | KEF Porsche Design Space One lasts longer on a single charge than the Sennheiser HD 4.50 BTNC Wireless. |
| Charging Time | 2 hour(s) | - |
| CONNECTIONS | Sennheiser HD 4.50 BTNC Wireless | KEF Porsche Design Space One |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Sennheiser HD 4.50 BTNC Wireless | KEF Porsche Design Space One |
|---|
| Included Accessories | Carrying case, micro-USB charging cable | - |
|---|
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