In depth comparison and review of Sennheiser HMDC 27 and Poly EncorePro 320. 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 EncorePro 320 |
|---|
| Product Type | Headset - wired | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | EncorePro 300 series | |
| Height | - | 6.7 cm | |
| Width | - | 11.1 cm | |
| Depth | - | 14.9 cm | |
| Weight | 240 g | 74 g | Poly EncorePro 320 are lighter than Sennheiser HMDC 27 headphones. |
| Colour | - | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Professional audio | Computer |
| SOUND QUALITY | Sennheiser HMDC 27 | Poly EncorePro 320 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | Yes | - | Sennheiser HMDC 27 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 8 - 18000 Hz | 20 - 10000 Hz | Sennheiser HMDC 27 offer a larger frequency range than Poly EncorePro 320. |
| Total Harmonic Distortion (THD) | <0.1% | - | |
| Impedance | - | 32 Ohm | |
| Max Sound Pressure | 128 dB | - | |
| Diaphragm | - | 5.6 mm | |
| Features | - | SoundGuard DIGITAL Technology | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sennheiser HMDC 27 | Poly EncorePro 320 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Technology | Dynamic | - | |
| Microphone Operation Mode | Hypercardioid | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 320 microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Passive noise cancellation (PNC) | |
| Frequency Response | 40 - 18000 Hz | 35 - 21000 Hz | Poly EncorePro 320 offer a larger microphone frequency range than Sennheiser HMDC 27. |
| Sensitivity | - | 40 dB | |
| Sensitivity Margin | - | +/- 3dB | |
| Signal-To-Noise Ratio | - | 53 dB |
| REMOTE CONTROL | Sennheiser HMDC 27 | Poly EncorePro 320 |
|---|
| Controls | - | Mute, volume, answer/end |
|---|
| CABLE | Sennheiser HMDC 27 | Poly EncorePro 320 |
|---|
| Cable Type | - | Headset cable - 2.19 m | |
|---|---|---|---|
| Cable Length | - | 2.19 m |
| FEATURES | Sennheiser HMDC 27 | Poly EncorePro 320 |
|---|
| Features | EPOS ActiveGard | Boom mic length 135mm, 290° rotatable microphone |
|---|
| CONNECTIONS | Sennheiser HMDC 27 | Poly EncorePro 320 |
|---|
| Connector Type | - | USB (USB Type-A) |
|---|
| OTHERS | Sennheiser HMDC 27 | Poly EncorePro 320 |
|---|
| Included Accessories | Wind screen, cable clip, headband padding | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | macOS, Windows | |
| TAA Compliant | - | Yes |
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