Poly Blackwire 8225-M vs. Sennheiser HMDC 27

Headphones Comparison, Reviews and Tests

In depth comparison and review of Poly Blackwire 8225-M and Sennheiser HMDC 27. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.

Headphones Specifications Comparison

Poly Blackwire 8225-M vs. Sennheiser HMDC 27 Comparison Chart
DESIGN AND DIMENSIONS Poly Blackwire 8225-M Sennheiser HMDC 27
Product Type Headset - wired - USB-A Headset - wired
Weight 186 g 240 g Poly Blackwire 8225-M are lighter than Poly Blackwire 8225-M headphones.
Recommended Use - Professional audio
SOUND QUALITY Poly Blackwire 8225-M Sennheiser HMDC 27
Headphones Form Factor On-ear Full size
Headphones Technology - Dynamic
Ear Cups Type - Closed
Adjustable Headband Yes -
Connectivity Technology Wired Wired
Active Noise Cancelling Yes Yes Both headphones are equipped with active noice cancellation.
Active Noise Cancelling Technology Hybrid ANC -
Sound Output Mode - Stereo
Frequency Response 20 - 20000 Hz 8 - 18000 Hz Poly Blackwire 8225-M offer a larger frequency range than Sennheiser HMDC 27.
Total Harmonic Distortion (THD) - <0.1%
Sensitivity 84 dB -
Impedance 32 Ohm -
Max Sound Pressure - 128 dB
Diaphragm 32 mm -
Features SoundGuard DIGITAL Technology -
MICROPHONE Poly Blackwire 8225-M Sennheiser HMDC 27
Type Boom Boom
Microphone Technology - Dynamic
Microphone Operation Mode - Hypercardioid
Noise Cancelling Yes - Poly Blackwire 8225-M microphone can cancel out ambient noise.
Frequency Response 100 - 10000 Hz 40 - 18000 Hz Sennheiser HMDC 27 offer a larger microphone frequency range than Poly Blackwire 8225-M.
Sensitivity -35 dBV/Pascal -
REMOTE CONTROL Poly Blackwire 8225-M Sennheiser HMDC 27
Controls Mute, volume, answer/end, Microsoft Teams button -
CABLE Poly Blackwire 8225-M Sennheiser HMDC 27
Cable Type Headset cable - 2.2 m -
Cable Length 2.2 m -
FEATURES Poly Blackwire 8225-M Sennheiser HMDC 27
Features - EPOS ActiveGard
CONNECTIONS Poly Blackwire 8225-M Sennheiser HMDC 27
Connector Type Headset (4 PIN USB Type A) -
OTHERS Poly Blackwire 8225-M Sennheiser HMDC 27
Included Accessories - Wind screen, cable clip, headband padding
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