Sennheiser PXC 550-II vs. Poly EncorePro 520V

Headphones Comparison, Reviews and Tests

Detailed comparison and review of Sennheiser PXC 550-II 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

Sennheiser PXC 550-II vs. Poly EncorePro 520V Comparison Chart
DESIGN AND DIMENSIONS Sennheiser PXC 550-II Poly EncorePro 520V
Product Type Headphones - Bluetooth - wireless Headset - wired - 3.5 mm jack
Series - EncorePro 500 series
Height 17.4 cm 6.7 cm
Width 13.6 cm 11.1 cm
Depth 6.3 cm 14.9 cm
Weight 227 g 74 g Poly EncorePro 520V are lighter than Sennheiser PXC 550-II headphones.
Colour - Black
Earpad Material - Artificial leather
Recommended Use Portable electronics -
SOUND QUALITY Sennheiser PXC 550-II Poly EncorePro 520V
Headphones Form Factor Full size On-ear
Headphones Technology Dynamic -
Adjustable Headband Yes -
Foldable Yes - Sennheiser PXC 550-II can be folded.
Connectivity Technology Wireless Wired
Wireless Technology Bluetooth -
Bluetooth Version Bluetooth 5.0 -
Bluetooth Profiles Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) -
Bluetooth Audio Codec SBC, AAC, aptX, apt-X LL -
Active Noise Cancelling Yes Yes Both headphones are equipped with active noice cancellation.
Active Noise Cancelling Technology - SoundGuard DIGITAL
Sound Output Mode Stereo -
Frequency Response 17 - 23000 Hz -
Total Harmonic Distortion (THD) <0.5% -
Sensitivity 110 dB -
Impedance 490 Ohm -
Diaphragm 32 mm 5.6 mm Sennheiser PXC 550-II have a thicker diaphragm than Poly EncorePro 520V.
Signal-To-Noise Ratio - 50 dB
MICROPHONE Sennheiser PXC 550-II 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 50 - 10000 Hz 20 - 16000 Hz Poly EncorePro 520V offer a larger microphone frequency range than Sennheiser PXC 550-II.
Sensitivity -34 dBV/Pascal 40 dB
Sensitivity Margin - +/- 3dB
Microphones Included 3 -
REMOTE CONTROL Sennheiser PXC 550-II Poly EncorePro 520V
Controls Mute, volume, answer/end, hold, play/pause, next/previous track -
CABLE Sennheiser PXC 550-II Poly EncorePro 520V
Cable Type USB charge cable
Audio cable
-
Cable Length - 78.5 cm
Detachable Cable Yes -
FEATURES Sennheiser PXC 550-II Poly EncorePro 520V
Features - Boom mic length 135mm, 290° rotatable microphone
Internet of Things (IoT) Compatible Yes -
Intelligent Assistant Siri, Google Assistant, Alexa -
Additional Functions Touch panel -
BATTERY AND CHARGING Sennheiser PXC 550-II Poly EncorePro 520V
Battery Type Headphone battery rechargeable - lithium -
Battery Life 30 hour(s) -
Battery Life Details Continuous playback (noise cancelling ON / cable connection): up to 30 hours
Continuous playback (noise cancelling ON / Bluetooth): up to 20 hours
-
Charging Time 3 hour(s) -
CONNECTIONS Sennheiser PXC 550-II Poly EncorePro 520V
Connector Type Headphones (mini-phone stereo 3.5 mm)
USB (micro-USB)
Headset (mini-phone 3.5mm)
OTHERS Sennheiser PXC 550-II Poly EncorePro 520V
Included Accessories Carrying case, airplane adapter -
Software Certification - Certified for Skype for Business, UC certified
Supported Host Device OS - macOS, Windows
Compliant Standards MFI -
Service & Support Limited warranty - 2 years Limited warranty - 2 years
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