In depth comparison and review of JVC HA S31M and Poly EncorePro 520V. 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 | JVC HA S31M | Poly EncorePro 520V |
|---|
| 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 | 140 g | 74 g | Poly EncorePro 520V are lighter than JVC HA S31M headphones. |
| Colour | - | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | JVC HA S31M | Poly EncorePro 520V |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Poly EncorePro 520V are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard DIGITAL | |
| Frequency Response | 10 - 26000 Hz | - | |
| Impedance | 32 Ohm | - | |
| Diaphragm | - | 5.6 mm | |
| Signal-To-Noise Ratio | - | 50 dB | |
| Magnet Material | Neodymium | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | JVC HA S31M | Poly EncorePro 520V |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 520V microphone can cancel out ambient noise. |
| Frequency Response | - | 20 - 16000 Hz | |
| Sensitivity | - | 40 dB | |
| Sensitivity Margin | - | +/- 3dB |
| REMOTE CONTROL | JVC HA S31M | Poly EncorePro 520V |
|---|
| Controls | 4-button remote | - |
|---|
| CABLE | JVC HA S31M | Poly EncorePro 520V |
|---|
| Cable Type | Headphones cable - single-sided - L shaped - 1.2 m | - | |
|---|---|---|---|
| Cable Length | 1.2 m | 78.5 cm | |
| Plated Connector | Gold | - |
| FEATURES | JVC HA S31M | Poly EncorePro 520V |
|---|
| Features | - | Boom mic length 135mm, 290° rotatable microphone |
|---|
| CONNECTIONS | JVC HA S31M | Poly EncorePro 520V |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headset (mini-phone 3.5mm) |
|---|
| OTHERS | JVC HA S31M | Poly EncorePro 520V |
|---|
| Compatibility | iPhone | - | |
|---|---|---|---|
| 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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