Poly Blackwire 3225 (3300 Series) vs. Poly EncorePro 520V

Headphones Comparison, Reviews and Tests

Detailed comparison and review of Poly Blackwire 3225 (3300 Series) 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

Poly Blackwire 3225 (3300 Series) vs. Poly EncorePro 520V Comparison Chart
DESIGN AND DIMENSIONS Poly Blackwire 3225 (3300 Series) Poly EncorePro 520V
Product Type Headset - wired - USB, 3.5 mm jack Headset - wired - 3.5 mm jack
Series 3300 Series EncorePro 500 series
Height 17.8 cm 6.7 cm
Width 15.5 cm 11.1 cm
Depth 3.2 cm 14.9 cm
Weight 64 g 74 g Poly Blackwire 3225 (3300 Series) are lighter than Poly Blackwire 3225 (3300 Series) headphones.
Colour Black Black
Earpad Material Artificial leather Artificial leather
Recommended Use Computer -
SOUND QUALITY Poly Blackwire 3225 (3300 Series) Poly EncorePro 520V
Headphones Form Factor On-ear On-ear
Adjustable Headband Yes -
Connectivity Technology Wired Wired
Active Noise Cancelling Yes Yes Both headphones are equipped with active noice cancellation.
Active Noise Cancelling Technology SoundGuard SoundGuard DIGITAL
Sound Output Mode Stereo -
Sensitivity 90 dB -
Impedance 32 Ohm -
Diaphragm 28 mm 5.6 mm Poly Blackwire 3225 (3300 Series) have a thicker diaphragm than Poly EncorePro 520V.
Signal-To-Noise Ratio - 50 dB
Features Digital signal processing, Dynamic EQ optimised -
In-Cord Volume Control Yes -
MICROPHONE Poly Blackwire 3225 (3300 Series) Poly EncorePro 520V
Type Boom Boom
Microphone Operation Mode Omni-directional Omni-directional
Noise Cancelling - Yes Poly EncorePro 520V microphone can cancel out ambient noise.
Frequency Response 100 - 10000 Hz 20 - 16000 Hz Poly EncorePro 520V offer a larger microphone frequency range than Poly Blackwire 3225 (3300 Series).
Sensitivity -38 dBV/Pascal 40 dB
Sensitivity Margin - +/- 3dB
REMOTE CONTROL Poly Blackwire 3225 (3300 Series) Poly EncorePro 520V
Controls Mute, volume, answer/end, hold, redial -
CABLE Poly Blackwire 3225 (3300 Series) Poly EncorePro 520V
Cable Type USB-A cable -
Cable Length - 78.5 cm
FEATURES Poly Blackwire 3225 (3300 Series) Poly EncorePro 520V
Features - Boom mic length 135mm, 290° rotatable microphone
CONNECTIONS Poly Blackwire 3225 (3300 Series) Poly EncorePro 520V
Connector Type USB (4 PIN USB Type A)
Headset (mini-phone stereo 3.5 mm)
Headset (mini-phone 3.5mm)
OTHERS Poly Blackwire 3225 (3300 Series) Poly EncorePro 520V
Compatibility Mac, Windows -
Software Certification Skype Certified, Avaya Certified, Cisco Jabber Certified Certified for Skype for Business, UC certified
Supported Host Device OS Windows 10, macOS, Windows 11 macOS, Windows
Service & Support - Limited warranty - 2 years
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