In depth comparison and review of Sennheiser HMDC 27 and Poly Blackwire C3220 (3200 Series). 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 C3220 (3200 Series) |
|---|
| Product Type | Headset - wired | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | 3200 Series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 240 g | 64 g | Poly Blackwire C3220 (3200 Series) 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 C3220 (3200 Series) |
|---|
| 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, echo cancelation, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sennheiser HMDC 27 | Poly Blackwire C3220 (3200 Series) |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Technology | Dynamic | - | |
| Microphone Operation Mode | Hypercardioid | Omni-directional | |
| Frequency Response | 40 - 18000 Hz | 100 - 10000 Hz | Sennheiser HMDC 27 offer a larger microphone frequency range than Poly Blackwire C3220 (3200 Series). |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | Sennheiser HMDC 27 | Poly Blackwire C3220 (3200 Series) |
|---|
| Controls | - | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | Sennheiser HMDC 27 | Poly Blackwire C3220 (3200 Series) |
|---|
| Cable Type | - | USB-C cable |
|---|
| FEATURES | Sennheiser HMDC 27 | Poly Blackwire C3220 (3200 Series) |
|---|
| Features | EPOS ActiveGard | - |
|---|
| CONNECTIONS | Sennheiser HMDC 27 | Poly Blackwire C3220 (3200 Series) |
|---|
| Connector Type | - | USB (USB Type-C) |
|---|
| OTHERS | Sennheiser HMDC 27 | Poly Blackwire C3220 (3200 Series) |
|---|
| Included Accessories | Wind screen, cable clip, headband padding | Carrying case | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Skype Certified, Avaya Certified, Cisco Jabber Certified | |
| Supported Host Device OS | - | Windows 10, macOS, Windows 11 |
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