In depth comparison and review of Sennheiser HD 4.40 and SOUL X-TRA. 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 4.40 | SOUL X-TRA |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Height | - | 20 cm | |
| Width | - | 16.4 cm | |
| Depth | - | 7.2 cm | |
| Weight | - | 198 g | |
| Colour | - | Blue | |
| Design | - | Sports | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser HD 4.40 | SOUL X-TRA |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | SOUL X-TRA can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.0 | Bluetooth 4.0 | Both headphones have the same Bluetooth version. |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 22000 Hz | 20 - 20000 Hz | Sennheiser HD 4.40 offer a larger frequency range than SOUL X-TRA. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 113 dB | - | |
| Impedance | 18 Ohm | - | |
| Diaphragm | - | 40 mm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | Sennheiser HD 4.40 | SOUL X-TRA |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Sennheiser HD 4.40 | SOUL X-TRA |
|---|
| Controls | - | Volume, on/off, answer/end, play/pause, next/previous track, reject call, redial |
|---|
| CABLE | Sennheiser HD 4.40 | SOUL X-TRA |
|---|
| Cable Type | - | USB charge cable - detachable Headphones cable - detachable - straight |
|---|
| BATTERY AND CHARGING | Sennheiser HD 4.40 | SOUL X-TRA |
|---|
| Battery Type | Headphone battery lithium polymer | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 320 mAh | |
| Battery Life | - | 24 hour(s) | |
| Charging Time | - | 2 hour(s) |
| WIRELESS LINK | Sennheiser HD 4.40 | SOUL X-TRA |
|---|
| Transmission Range | - | 10 m |
|---|
| CONNECTIONS | Sennheiser HD 4.40 | SOUL X-TRA |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Sennheiser HD 4.40 | SOUL X-TRA |
|---|
| Included Accessories | - | Carrying case | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 1 year |
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