In depth comparison and review of Sennheiser HD 4.40 and Poly Blackwire C5220. 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.
DESIGN AND DIMENSIONS | Sennheiser HD 4.40 | Poly Blackwire C5220 |
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Product Type | Headphones - Bluetooth - wireless - NFC | Headset - wired - 3.5 mm jack, USB-A | |
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Series | - | Blackwire 5200 series | |
Weight | - | 164.2 g | |
Colour | - | Black | |
Earpad Material | - | Artificial leather | |
Recommended Use | - | Portable electronics, computer |
SOUND QUALITY | Sennheiser HD 4.40 | Poly Blackwire C5220 |
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Headphones Form Factor | Full size | On-ear | |
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Ear Cups Type | Closed | - | |
Adjustable Headband | - | Yes | |
Connectivity Technology | Wireless | Wired | |
Wireless Technology | Bluetooth | - | |
Bluetooth Version | Bluetooth 4.0 | - | |
Active Noise Cancelling | - | Yes | Poly Blackwire C5220 are equipped with active noice cancellation. |
Active Noise Cancelling Technology | - | SoundGuard | |
Sound Output Mode | Stereo | Stereo | |
Frequency Response | 18 - 22000 Hz | - | |
Total Harmonic Distortion (THD) | 0.5% | - | |
Sensitivity | 113 dB | 90 dB | Sennheiser HD 4.40 have higher sensitivity than Poly Blackwire C5220. |
Impedance | 18 Ohm | 32 Ohm | |
Diaphragm | - | 28 mm | |
Features | - | Digital signal processing, Dynamic EQ optimised | |
In-Cord Volume Control | - | Yes |
MICROPHONE | Sennheiser HD 4.40 | Poly Blackwire C5220 |
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Form Factor | Built-in | - | |
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Type | - | Boom | |
Microphone Operation Mode | Omni-directional | - | |
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 | |
Microphones Included | 2 | - |
REMOTE CONTROL | Sennheiser HD 4.40 | Poly Blackwire C5220 |
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Controls | - | Mute, volume, answer/end |
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CABLE | Sennheiser HD 4.40 | Poly Blackwire C5220 |
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Cable Type | - | USB-A cable - 21.7 cm |
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FEATURES | Sennheiser HD 4.40 | Poly Blackwire C5220 |
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Features | - | 280° rotatable microphone |
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BATTERY AND CHARGING | Sennheiser HD 4.40 | Poly Blackwire C5220 |
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Battery Type | Headphone battery lithium polymer | - |
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CONNECTIONS | Sennheiser HD 4.40 | Poly Blackwire C5220 |
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Connector Type | - | USB (USB Type-A) Headset (mini-phone 3.5mm) |
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OTHERS | Sennheiser HD 4.40 | Poly Blackwire C5220 |
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Included Accessories | - | Carrying case | |
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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 |