Side by side comparison and review of Sennheiser HD 4.20s and Poly EncorePro 510V. 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 4.20s | Poly EncorePro 510V |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | 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 | Black | |
| Earpad Material | - | PU leather |
| SOUND QUALITY | Sennheiser HD 4.20s | Poly EncorePro 510V |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Poly EncorePro 510V are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard DIGITAL | |
| Noise Isolating | Yes | - | Sennheiser HD 4.20s are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | - | |
| Diaphragm | - | 5.6 mm | |
| Signal-To-Noise Ratio | - | 50 dB |
| MICROPHONE | Sennheiser HD 4.20s | Poly EncorePro 510V |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 510V microphone can cancel out ambient noise. |
| Frequency Response | - | 20 - 16000 Hz | |
| Sensitivity | -44 dBV/Pascal | 40 dB | |
| Sensitivity Margin | - | +/- 3dB |
| REMOTE CONTROL | Sennheiser HD 4.20s | Poly EncorePro 510V |
|---|
| Controls | 1-button remote | - |
|---|
| CABLE | Sennheiser HD 4.20s | Poly EncorePro 510V |
|---|
| Cable Length | 1.4 m | 78.5 cm | |
|---|---|---|---|
| Plated Connector | Gold | - |
| FEATURES | Sennheiser HD 4.20s | Poly EncorePro 510V |
|---|
| Features | - | Boom mic length 135mm, 290° rotatable microphone |
|---|
| CONNECTIONS | Sennheiser HD 4.20s | Poly EncorePro 510V |
|---|
| Connector Type | Headphones (mini-phone 3.5 mm 4-pole) | Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Sennheiser HD 4.20s | Poly EncorePro 510V |
|---|
| Software Certification | - | Certified for Skype for Business, UC certified | |
|---|---|---|---|
| Supported Host Device OS | - | macOS, Windows | |
| Service & Support | Limited warranty - parts and labour - 2 years | Limited warranty - 2 years |
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