In depth comparison and review of Audio-Technica ATH-DSR9BT 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 | Audio-Technica ATH-DSR9BT | 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 | 310 g | 330 g | Audio-Technica ATH-DSR9BT are lighter than Audio-Technica ATH-DSR9BT headphones. |
| Colour | - | Titanium | |
| Earpad Material | Foam | - | |
| Headband Material | Leather | - | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Audio-Technica ATH-DSR9BT | KEF Porsche Design Space One |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | Yes | - | |
| Foldable | Yes | - | Audio-Technica ATH-DSR9BT can be folded. |
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 4.1 | Audio-Technica ATH-DSR9BT have a more advanced version of Bluetooth than KEF Porsche Design Space One. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Active Noise Cancelling | - | Yes | KEF Porsche Design Space One are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Built-in Decoders | Pure Digital Drive | - | |
| Frequency Response | 5 - 45000 Hz | 20 - 20000 Hz | Audio-Technica ATH-DSR9BT offer a larger frequency range than KEF Porsche Design Space One. |
| Max Input Power | - | 12 mW | |
| Sensitivity | 97 dB/mW | 94 dB | Audio-Technica ATH-DSR9BT have higher sensitivity than KEF Porsche Design Space One. |
| Impedance | 38 Ohm | 16 Ohm | |
| Diaphragm | 45 mm | 40 mm | Audio-Technica ATH-DSR9BT have a thicker diaphragm than KEF Porsche Design Space One. |
| Magnet Material | - | Neodymium | |
| Features | Bluetooth aptX technology | Voice control, Bluetooth aptX technology |
| MICROPHONE | Audio-Technica ATH-DSR9BT | KEF Porsche Design Space One |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Technology | Condenser | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 50 - 4000 Hz | - | |
| Sensitivity | -44 dB | - |
| REMOTE CONTROL | Audio-Technica ATH-DSR9BT | KEF Porsche Design Space One |
|---|
| Controls | Volume, microphone on/off | - |
|---|
| CABLE | Audio-Technica ATH-DSR9BT | KEF Porsche Design Space One |
|---|
| Cable Type | USB charge cable - 2 m | Headphones cable - detachable | |
|---|---|---|---|
| Detachable Cable | - | Yes |
| BATTERY AND CHARGING | Audio-Technica ATH-DSR9BT | KEF Porsche Design Space One |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 850 mAh | |
| Battery Life | 15 hour(s) | 110 hour(s) | KEF Porsche Design Space One lasts longer on a single charge than the Audio-Technica ATH-DSR9BT. |
| Standby Time | 1000 hours | - | |
| Charging Time | 5 hour(s) | - |
| WIRELESS LINK | Audio-Technica ATH-DSR9BT | KEF Porsche Design Space One |
|---|
| Transmission Range | 10 m | - |
|---|
| CONNECTIONS | Audio-Technica ATH-DSR9BT | KEF Porsche Design Space One |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Audio-Technica ATH-DSR9BT | KEF Porsche Design Space One |
|---|
| Included Accessories | Hard case | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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