Side by side comparison and review of Sennheiser HD 4.50 BTNC Wireless and X2 Kenta. 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 | Sennheiser HD 4.50 BTNC Wireless | X2 Kenta |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headphones - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Height | - | 9 cm | |
| Width | - | 10 cm | |
| Depth | - | 10 cm | |
| Weight | 238 g | 314 g | Sennheiser HD 4.50 BTNC Wireless are lighter than Sennheiser HD 4.50 BTNC Wireless headphones. |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Sennheiser HD 4.50 BTNC Wireless | X2 Kenta |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | Closed | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | Sennheiser HD 4.50 BTNC Wireless can be folded. |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.0 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Active Noise Cancelling | Yes | - | Sennheiser HD 4.50 BTNC Wireless are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | NoiseGard active noise compensation | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 22000 Hz | 50 - 16000 Hz | Sennheiser HD 4.50 BTNC Wireless offer a larger frequency range than X2 Kenta. |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 113 dB | - | |
| Impedance | 18 Ohm | 32 Ohm | |
| Magnet Material | Neodymium | - | |
| Features | Bluetooth aptX technology | - |
| MICROPHONE | Sennheiser HD 4.50 BTNC Wireless | X2 Kenta |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | - | -42 dB | |
| Impedance | - | 2.2 kOhm | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Sennheiser HD 4.50 BTNC Wireless | X2 Kenta |
|---|
| Controls | Power on/off, volume control, answer/end, hold, play/pause, next/previous track, reject call, redial | - |
|---|
| CABLE | Sennheiser HD 4.50 BTNC Wireless | X2 Kenta |
|---|
| Cable Type | Headphones cable - detachable - L shaped - 1.4 m Micro-USB charge cable - detachable |
Headphones cable - 1.8 m | |
|---|---|---|---|
| Cable Length | 1.4 m | 1.8 m | |
| Detachable Cable | Yes | - | |
| Plated Connector | Gold | - |
| BATTERY AND CHARGING | Sennheiser HD 4.50 BTNC Wireless | X2 Kenta |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 600 mAh | - | |
| Battery Life | 25 hour(s) | - | |
| Charging Time | 2 hour(s) | - |
| CONNECTIONS | Sennheiser HD 4.50 BTNC Wireless | X2 Kenta |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headphones (mini-phone stereo 3.5 mm) USB (4 PIN USB Type A) |
|---|
| OTHERS | Sennheiser HD 4.50 BTNC Wireless | X2 Kenta |
|---|
| Included Accessories | Carrying case, micro-USB charging cable | - | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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