Detailed comparison and review of JBL JR300BT and Poly EncorePro 520V. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
DESIGN AND DIMENSIONS | JBL JR300BT | Poly EncorePro 520V |
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Product Type | Headphones - Bluetooth - wireless | Headset - wired - 3.5 mm jack | |
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Series | - | EncorePro 500 series | |
Height | - | 6.7 cm | |
Width | - | 11.1 cm | |
Depth | - | 14.9 cm | |
Weight | 110 g | 74 g | Poly EncorePro 520V are lighter than JBL JR300BT headphones. |
Colour | Orange/blue | Tropic teal | Pink | Black | |
Earpad Material | Polyurethane leather | Artificial leather | |
Design | Kids | - | |
Recommended Use | Portable electronics | - | |
Bluetooth Range (Operating Distance) | 15 m | - |
SOUND QUALITY | JBL JR300BT | Poly EncorePro 520V |
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Headphones Form Factor | On-ear | On-ear | |
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Headphones Technology | Dynamic | - | |
Adjustable Headband | Yes | - | |
Foldable | Yes | - | JBL JR300BT can be folded. |
Connectivity Technology | Wireless | Wired | |
Wireless Technology | Bluetooth | - | |
Bluetooth Version | Bluetooth 4.0 | - | |
Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
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 | - | |
Impedance | 32 Ohm | - | |
Diaphragm | 32 mm | 5.6 mm | JBL JR300BT have a thicker diaphragm than Poly EncorePro 520V. |
Signal-To-Noise Ratio | - | 50 dB |
MICROPHONE | JBL JR300BT | Poly EncorePro 520V |
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Form Factor | Built-in | - | |
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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 | JBL JR300BT | Poly EncorePro 520V |
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Controls | Power on/off, answer/end, play/pause | - |
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CABLE | JBL JR300BT | Poly EncorePro 520V |
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Cable Type | USB charge cable | - | |
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Cable Length | - | 78.5 cm |
FEATURES | JBL JR300BT | Poly EncorePro 520V |
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Features | - | Boom mic length 135mm, 290° rotatable microphone | |
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Additional Functions | Volume limiter | - |
BATTERY AND CHARGING | JBL JR300BT | Poly EncorePro 520V |
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Battery Type | Headphone battery rechargeable - lithium polymer | - | |
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Battery Capacity | 170 mAh | - | |
Battery Life | 12 hour(s) | - | |
Charging Time | 2 hour(s) | - |
WIRELESS LINK | JBL JR300BT | Poly EncorePro 520V |
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Modulation Type | GFSK, 8-DPSK, DQPSK | - | |
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Radio Frequency Range | 2.402 - 2.480GHz | - |
CONNECTIONS | JBL JR300BT | Poly EncorePro 520V |
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Connector Type | - | Headset (mini-phone 3.5mm) |
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OTHERS | JBL JR300BT | Poly EncorePro 520V |
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Included Accessories | Stickers, USB charge cable | - | |
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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 |