Detailed comparison and review of Poly EncorePro 320, QD and Sennheiser HD 450BT. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Poly EncorePro 320, QD | Sennheiser HD 450BT |
|---|
| Product Type | Headset - wired - Quick Disconnect | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | 300 Series | - | |
| Weight | - | 238 g | |
| Colour | - | Black | White | |
| Recommended Use | Computer | - |
| SOUND QUALITY | Poly EncorePro 320, QD | Sennheiser HD 450BT |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | Sennheiser HD 450BT can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX, apt-X LL | |
| Active Noise Cancelling | - | Yes | Sennheiser HD 450BT are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 50 - 8000 Hz | 18 - 22000 Hz | Sennheiser HD 450BT offer a larger frequency range than Poly EncorePro 320, QD. |
| Total Harmonic Distortion (THD) | - | <0.3% | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | 118 dB | 108 dB | |
| Diaphragm | 28 mm | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly EncorePro 320, QD | Sennheiser HD 450BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | Uni-directional | Beamforming | |
| Frequency Response | - | 80 - 6000 Hz | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Poly EncorePro 320, QD | Sennheiser HD 450BT |
|---|
| Controls | Mute, volume | - |
|---|
| CABLE | Poly EncorePro 320, QD | Sennheiser HD 450BT |
|---|
| Cable Type | Headset cable | Audio cable - detachable USB-C charge cable - detachable |
|---|
| BATTERY AND CHARGING | Poly EncorePro 320, QD | Sennheiser HD 450BT |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 600 mAh | |
| Battery Life | - | 30 hours | |
| Charging Time | - | 2 hours |
| CONNECTIONS | Poly EncorePro 320, QD | Sennheiser HD 450BT |
|---|
| Connector Type | Headset (Quick Disconnect) | - |
|---|
| OTHERS | Poly EncorePro 320, QD | Sennheiser HD 450BT |
|---|
| Included Accessories | - | Carrying case | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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