Side by side comparison and review of JBL JR300 and Poly EncorePro 520V. 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 | JBL JR300 | 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 | 108 g | 74 g | Poly EncorePro 520V are lighter than JBL JR300 headphones. |
| Colour | Spider red | Ice blue | Black | |
| Earpad Material | Polyurethane leather | Artificial leather | |
| Design | Kids | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | JBL JR300 | Poly EncorePro 520V |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | Yes | - | |
| Foldable | Yes | - | JBL JR300 can be folded. |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Poly EncorePro 520V are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard DIGITAL | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 85 dB | - | |
| Impedance | 32 Ohm | - | |
| Diaphragm | 32 mm | 5.6 mm | JBL JR300 have a thicker diaphragm than Poly EncorePro 520V. |
| Signal-To-Noise Ratio | - | 50 dB |
| MICROPHONE | JBL JR300 | 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 |
| CABLE | JBL JR300 | Poly EncorePro 520V |
|---|
| Cable Type | Headphones cable - single-sided / flat - 1 m | - | |
|---|---|---|---|
| Cable Length | 1 m | 78.5 cm |
| FEATURES | JBL JR300 | Poly EncorePro 520V |
|---|
| Features | - | Boom mic length 135mm, 290° rotatable microphone | |
|---|---|---|---|
| Additional Functions | Volume limiter | - |
| CONNECTIONS | JBL JR300 | Poly EncorePro 520V |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headset (mini-phone 3.5mm) |
|---|
| OTHERS | JBL JR300 | Poly EncorePro 520V |
|---|
| Included Accessories | Stickers | - | |
|---|---|---|---|
| Software Certification | - | Certified for Skype for Business, UC certified | |
| Supported Host Device OS | - | macOS, Windows | |
| Service & Support | Limited warranty - 1 year | Limited warranty - 2 years |
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