Poly Blackwire 3325 vs. Shure SRH940

Headphones Comparison, Reviews and Tests

Detailed comparison and review of Poly Blackwire 3325 and Shure SRH940. 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 3325 vs. Shure SRH940 Comparison Chart
DESIGN AND DIMENSIONS Poly Blackwire 3325 Shure SRH940
Product Type Headset - wired - USB, 3.5 mm jack Headphones - wired - 3.5 mm jack
Series 3300 Series -
Height 18.6 cm 26 cm
Width 21.6 cm 25.7 cm
Depth 5.6 cm 10.5 cm
Weight 130 g 322 g Poly Blackwire 3325 are lighter than Poly Blackwire 3325 headphones.
Colour - Silver
Earpad Material Leatherette -
Protection Hearing protection -
Recommended Use - Professional audio, home audio
SOUND QUALITY Poly Blackwire 3325 Shure SRH940
Headphones Form Factor On-ear Full size
Headphones Technology - Dynamic
Ear Cups Type - Closed
Adjustable Headband Yes Yes
Foldable - Yes Shure SRH940 can be folded.
Connectivity Technology Wired Wired
Sound Output Mode Stereo Stereo
Frequency Response 20 - 20000 Hz 5 - 30000 Hz Shure SRH940 offer a larger frequency range than Poly Blackwire 3325.
Max Input Power - 1000 mW
Sensitivity 94 dB 100 dB/mW Shure SRH940 have higher sensitivity than Poly Blackwire 3325.
Impedance 32 Ohm 42 Ohm
Diaphragm 32 mm 40 mm Shure SRH940 have a thicker diaphragm than Poly Blackwire 3325.
Magnet Material - Neodymium magnet
Features SoundGuard Technology -
In-Cord Volume Control Yes -
MICROPHONE Poly Blackwire 3325 Shure SRH940
Type Boom -
Noise Cancelling Yes - Poly Blackwire 3325 microphone can cancel out ambient noise.
Frequency Response 100 - 10000 Hz -
Sensitivity -38 dB -
REMOTE CONTROL Poly Blackwire 3325 Shure SRH940
Controls Mute, volume, answer/end -
CABLE Poly Blackwire 3325 Shure SRH940
Cable Type Headset cable Headphones cable - detachable - coiled - 3 m
Headphones cable - detachable - 2.5 m
Cable Length - 3 m
Detachable Cable - Yes
Plated Connector - Gold
CONNECTIONS Poly Blackwire 3325 Shure SRH940
Connector Type USB (4 PIN USB Type A)
Headset (mini-phone 3.5mm)
Headphones (mini-phone stereo 3.5 mm)
OTHERS Poly Blackwire 3325 Shure SRH940
Included Accessories Carrying pouch Carrying case, 6.3 mm (1/4") stereo adapter, velour ear pads
Software Certification Certified for Microsoft Teams -
Service & Support Limited warranty - 2 years Limited warranty - 1 year
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