Poly EncorePro 320, QD vs. Poly Blackwire 3225 (3300 Series)

Headphones Comparison, Reviews and Tests

Detailed comparison and review of Poly EncorePro 320, QD and Poly Blackwire 3225 (3300 Series). 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 EncorePro 320, QD vs. Poly Blackwire 3225 (3300 Series) Comparison Chart
DESIGN AND DIMENSIONS Poly EncorePro 320, QD Poly Blackwire 3225 (3300 Series)
Product Type Headset - wired - Quick Disconnect Headset - wired - USB, 3.5 mm jack
Series 300 Series 3300 Series
Height - 17.8 cm
Width - 15.5 cm
Depth - 3.2 cm
Weight - 64 g
Colour - Black
Earpad Material - Artificial leather
Recommended Use Computer Computer
SOUND QUALITY Poly EncorePro 320, QD Poly Blackwire 3225 (3300 Series)
Headphones Form Factor On-ear On-ear
Adjustable Headband - Yes
Connectivity Technology Wired Wired
Active Noise Cancelling - Yes Poly Blackwire 3225 (3300 Series) are equipped with active noice cancellation.
Active Noise Cancelling Technology - SoundGuard
Sound Output Mode Stereo Stereo
Frequency Response 50 - 8000 Hz -
Sensitivity - 90 dB
Impedance 32 Ohm 32 Ohm
Max Sound Pressure 118 dB -
Diaphragm 28 mm 28 mm Both headphones are designed with same thick diaphragm.
Features - Digital signal processing, Dynamic EQ optimised
In-Cord Volume Control Yes Yes
MICROPHONE Poly EncorePro 320, QD Poly Blackwire 3225 (3300 Series)
Type Boom Boom
Microphone Operation Mode Uni-directional Omni-directional
Frequency Response - 100 - 10000 Hz
Sensitivity - -38 dBV/Pascal
REMOTE CONTROL Poly EncorePro 320, QD Poly Blackwire 3225 (3300 Series)
Controls Mute, volume Mute, volume, answer/end, hold, redial
CABLE Poly EncorePro 320, QD Poly Blackwire 3225 (3300 Series)
Cable Type Headset cable USB-A cable
CONNECTIONS Poly EncorePro 320, QD Poly Blackwire 3225 (3300 Series)
Connector Type Headset (Quick Disconnect) USB (4 PIN USB Type A)
Headset (mini-phone stereo 3.5 mm)
OTHERS Poly EncorePro 320, QD Poly Blackwire 3225 (3300 Series)
Compatibility - Mac, Windows
Software Certification - Skype Certified, Avaya Certified, Cisco Jabber Certified
Supported Host Device OS - Windows 10, macOS, Windows 11
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