In depth comparison and review of Poly EncorePro 320, QD and Sennheiser HMDC 27. 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 | Poly EncorePro 320, QD | Sennheiser HMDC 27 |
|---|
| Product Type | Headset - wired - Quick Disconnect | Headset - wired | |
|---|---|---|---|
| Series | 300 Series | - | |
| Weight | - | 240 g | |
| Recommended Use | Computer | Professional audio |
| SOUND QUALITY | Poly EncorePro 320, QD | Sennheiser HMDC 27 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| 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 | 50 - 8000 Hz | 8 - 18000 Hz | Sennheiser HMDC 27 offer a larger frequency range than Poly EncorePro 320, QD. |
| Total Harmonic Distortion (THD) | - | <0.1% | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | 118 dB | 128 dB | |
| Diaphragm | 28 mm | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly EncorePro 320, QD | Sennheiser HMDC 27 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Technology | - | Dynamic | |
| Microphone Operation Mode | Uni-directional | Hypercardioid | |
| Frequency Response | - | 40 - 18000 Hz |
| REMOTE CONTROL | Poly EncorePro 320, QD | Sennheiser HMDC 27 |
|---|
| Controls | Mute, volume | - |
|---|
| CABLE | Poly EncorePro 320, QD | Sennheiser HMDC 27 |
|---|
| Cable Type | Headset cable | - |
|---|
| FEATURES | Poly EncorePro 320, QD | Sennheiser HMDC 27 |
|---|
| Features | - | EPOS ActiveGard |
|---|
| CONNECTIONS | Poly EncorePro 320, QD | Sennheiser HMDC 27 |
|---|
| Connector Type | Headset (Quick Disconnect) | - |
|---|
| OTHERS | Poly EncorePro 320, QD | Sennheiser HMDC 27 |
|---|
| Included Accessories | - | Wind screen, cable clip, headband padding |
|---|
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