Sennheiser HD 400S vs. Poly Blackwire C5220

Headphones Comparison, Reviews and Tests

Detailed comparison and review of Sennheiser HD 400S and Poly Blackwire C5220. 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 HD 400S vs. Poly Blackwire C5220 Comparison Chart
DESIGN AND DIMENSIONS Sennheiser HD 400S Poly Blackwire C5220
Product Type Headphones - wired - 3.5 mm jack Headset - wired - 3.5 mm jack, USB-A
Series - Blackwire 5200 series
Weight 217 g 164.2 g Poly Blackwire C5220 are lighter than Sennheiser HD 400S headphones.
Colour Black Black
Earpad Material - Artificial leather
Recommended Use Portable electronics Portable electronics, computer
SOUND QUALITY Sennheiser HD 400S Poly Blackwire C5220
Headphones Form Factor Full size On-ear
Headphones Technology Dynamic -
Ear Cups Type Closed -
Adjustable Headband - Yes
Foldable Yes - Sennheiser HD 400S can be folded.
Connectivity Technology Wired Wired
Active Noise Cancelling - Yes Poly Blackwire C5220 are equipped with active noice cancellation.
Active Noise Cancelling Technology - SoundGuard
Noise Isolating Yes - Sennheiser HD 400S are equipped with a noise isolating function.
Sound Output Mode Stereo Stereo
Frequency Response 18 - 20000 Hz -
Total Harmonic Distortion (THD) 0.5% -
Sensitivity - 90 dB
Impedance 18 Ohm 32 Ohm
Max Sound Pressure 120 dB -
Diaphragm - 28 mm
Features - Digital signal processing, Dynamic EQ optimised
In-Cord Volume Control - Yes
MICROPHONE Sennheiser HD 400S Poly Blackwire C5220
Type On-cable Boom
Noise Cancelling - Yes Poly Blackwire C5220 microphone can cancel out ambient noise.
Frequency Response 100 - 10000 Hz 100 - 10000 Hz The frequency response of the microphones in both headphones is the same.
Sensitivity - -38 dB
REMOTE CONTROL Sennheiser HD 400S Poly Blackwire C5220
Controls Answer/end, play/pause, next/previous track Mute, volume, answer/end
CABLE Sennheiser HD 400S Poly Blackwire C5220
Cable Type Headphones cable - detachable - L shaped / mini-phone stereo 3.5 mm - 1.4 m USB-A cable - 21.7 cm
Cable Length 1.4 m -
Detachable Cable Yes -
FEATURES Sennheiser HD 400S Poly Blackwire C5220
Features - 280° rotatable microphone
CONNECTIONS Sennheiser HD 400S Poly Blackwire C5220
Connector Type Headphones (mini-phone stereo 3.5 mm) USB (USB Type-A)
Headset (mini-phone 3.5mm)
OTHERS Sennheiser HD 400S Poly Blackwire C5220
Included Accessories - Carrying case
Software Included - Poly Lens
Compatibility - Mac, Windows
Software Certification - Certified for Skype for Business, Certified for Microsoft Teams, Certified for Zoom Rooms, Avaya Certified, Cisco Jabber Certified
Supported Host Device OS - macOS, Windows
Service & Support Limited warranty - 2 years Limited warranty - 2 years
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