JBL JR300BT vs. Poly EncorePro 520V

Headphones Comparison, Reviews and Tests

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.

Headphones Specifications Comparison

JBL JR300BT vs. Poly EncorePro 520V Comparison Chart
DESIGN AND DIMENSIONS JBL JR300BT Poly EncorePro 520V
Product Type Headphones - Bluetooth - wireless Headset - wired - 3.5 mm jack
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
Headphones Form Factor On-ear On-ear
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
Form Factor Built-in -
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
Controls Power on/off, answer/end, play/pause -
CABLE JBL JR300BT Poly EncorePro 520V
Cable Type USB charge cable -
Cable Length - 78.5 cm
FEATURES JBL JR300BT Poly EncorePro 520V
Features - Boom mic length 135mm, 290° rotatable microphone
Additional Functions Volume limiter -
BATTERY AND CHARGING JBL JR300BT Poly EncorePro 520V
Battery Type Headphone battery rechargeable - lithium polymer -
Battery Capacity 170 mAh -
Battery Life 12 hour(s) -
Charging Time 2 hour(s) -
WIRELESS LINK JBL JR300BT Poly EncorePro 520V
Modulation Type GFSK, 8-DPSK, DQPSK -
Radio Frequency Range 2.402 - 2.480GHz -
CONNECTIONS JBL JR300BT Poly EncorePro 520V
Connector Type - Headset (mini-phone 3.5mm)
OTHERS JBL JR300BT Poly EncorePro 520V
Included Accessories Stickers, USB charge cable -
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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