In depth comparison and review of Sennheiser HMDC 27 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 HMDC 27 | Poly Blackwire C5220 |
|---|
| Product Type | Headset - wired | Headset - wired - 3.5 mm jack, USB-A | |
|---|---|---|---|
| Series | - | Blackwire 5200 series | |
| Weight | 240 g | 164.2 g | Poly Blackwire C5220 are lighter than Sennheiser HMDC 27 headphones. |
| Colour | - | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Professional audio | Portable electronics, computer |
| SOUND QUALITY | Sennheiser HMDC 27 | Poly Blackwire C5220 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| 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 | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 8 - 18000 Hz | - | |
| Total Harmonic Distortion (THD) | <0.1% | - | |
| Sensitivity | - | 90 dB | |
| Impedance | - | 32 Ohm | |
| Max Sound Pressure | 128 dB | - | |
| Diaphragm | - | 28 mm | |
| Features | - | Digital signal processing, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sennheiser HMDC 27 | Poly Blackwire C5220 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Technology | Dynamic | - | |
| Microphone Operation Mode | Hypercardioid | - | |
| Noise Cancelling | - | Yes | Poly Blackwire C5220 microphone can cancel out ambient noise. |
| Frequency Response | 40 - 18000 Hz | 100 - 10000 Hz | Sennheiser HMDC 27 offer a larger microphone frequency range than Poly Blackwire C5220. |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | Sennheiser HMDC 27 | Poly Blackwire C5220 |
|---|
| Controls | - | Mute, volume, answer/end |
|---|
| CABLE | Sennheiser HMDC 27 | Poly Blackwire C5220 |
|---|
| Cable Type | - | USB-A cable - 21.7 cm |
|---|
| FEATURES | Sennheiser HMDC 27 | Poly Blackwire C5220 |
|---|
| Features | EPOS ActiveGard | 280° rotatable microphone |
|---|
| CONNECTIONS | Sennheiser HMDC 27 | Poly Blackwire C5220 |
|---|
| Connector Type | - | USB (USB Type-A) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Sennheiser HMDC 27 | Poly Blackwire C5220 |
|---|
| Included Accessories | Wind screen, cable clip, headband padding | 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 |
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