In depth comparison and review of Sennheiser HD 4.40 and Poly EncorePro 510V. 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 | Poly EncorePro 510V |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - wired - 3.5 mm jack | |
|---|---|---|---|
| Series | - | EncorePro 500 series | |
| Height | - | 6.7 cm | |
| Width | - | 11.1 cm | |
| Depth | - | 14.9 cm | |
| Weight | - | 52 g | |
| Colour | - | Black | |
| Earpad Material | - | PU leather |
| SOUND QUALITY | Sennheiser HD 4.40 | Poly EncorePro 510V |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.0 | - | |
| Active Noise Cancelling | - | Yes | Poly EncorePro 510V are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard DIGITAL | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 18 - 22000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 113 dB | - | |
| Impedance | 18 Ohm | - | |
| Diaphragm | - | 5.6 mm | |
| Signal-To-Noise Ratio | - | 50 dB |
| MICROPHONE | Sennheiser HD 4.40 | Poly EncorePro 510V |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | Omni-directional | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 510V microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | 20 - 16000 Hz | Poly EncorePro 510V offer a larger microphone frequency range than Sennheiser HD 4.40. |
| Sensitivity | - | 40 dB | |
| Sensitivity Margin | - | +/- 3dB | |
| Microphones Included | 2 | - |
| CABLE | Sennheiser HD 4.40 | Poly EncorePro 510V |
|---|
| Cable Length | - | 78.5 cm |
|---|
| FEATURES | Sennheiser HD 4.40 | Poly EncorePro 510V |
|---|
| Features | - | Boom mic length 135mm, 290° rotatable microphone |
|---|
| BATTERY AND CHARGING | Sennheiser HD 4.40 | Poly EncorePro 510V |
|---|
| Battery Type | Headphone battery lithium polymer | - |
|---|
| CONNECTIONS | Sennheiser HD 4.40 | Poly EncorePro 510V |
|---|
| Connector Type | - | Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Sennheiser HD 4.40 | Poly EncorePro 510V |
|---|
| Software Certification | - | Certified for Skype for Business, UC certified | |
|---|---|---|---|
| Supported Host Device OS | - | macOS, Windows | |
| Service & Support | - | Limited warranty - 2 years |
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