Side by side comparison and review of Sennheiser HD 300 PROtect and Poly EncorePro 320, QD. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Sennheiser HD 300 PROtect | Poly EncorePro 320, QD |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - Quick Disconnect | |
|---|---|---|---|
| Series | - | 300 Series | |
| Weight | 297 g | - | |
| Recommended Use | - | Computer |
| SOUND QUALITY | Sennheiser HD 300 PROtect | Poly EncorePro 320, QD |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | Yes | - | Sennheiser HD 300 PROtect are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 6 - 25000 Hz | 50 - 8000 Hz | Sennheiser HD 300 PROtect offer a larger frequency range than Poly EncorePro 320, QD. |
| Max Input Power | 500 mW | - | |
| Total Harmonic Distortion (THD) | <0.1% | - | |
| Sensitivity | 108 dB | - | |
| Impedance | 64 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 118 dB | |
| Diaphragm | - | 28 mm | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sennheiser HD 300 PROtect | Poly EncorePro 320, QD |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Uni-directional |
| REMOTE CONTROL | Sennheiser HD 300 PROtect | Poly EncorePro 320, QD |
|---|
| Controls | - | Mute, volume |
|---|
| CABLE | Sennheiser HD 300 PROtect | Poly EncorePro 320, QD |
|---|
| Cable Type | Headphones cable - 1.55 m | Headset cable | |
|---|---|---|---|
| Cable Length | 1.55 m | - |
| FEATURES | Sennheiser HD 300 PROtect | Poly EncorePro 320, QD |
|---|
| Features | EPOS ActiveGard | - |
|---|
| CONNECTIONS | Sennheiser HD 300 PROtect | Poly EncorePro 320, QD |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headset (Quick Disconnect) |
|---|
| OTHERS | Sennheiser HD 300 PROtect | Poly EncorePro 320, QD |
|---|
| Included Accessories | 6.3 mm (1/4") stereo adapter | - |
|---|
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