Detailed comparison and review of Sennheiser HD 350BT and Poly EncorePro 320. 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 | Sennheiser HD 350BT | Poly EncorePro 320 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | EncorePro 300 series | |
| Height | - | 6.7 cm | |
| Width | - | 11.1 cm | |
| Depth | - | 14.9 cm | |
| Weight | 238 g | 74 g | Poly EncorePro 320 are lighter than Sennheiser HD 350BT headphones. |
| Colour | Black | White | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | - | Computer |
| SOUND QUALITY | Sennheiser HD 350BT | Poly EncorePro 320 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sennheiser HD 350BT can be folded. |
| Connectivity Technology | Wireless | Wired | |
| 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 | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 22000 Hz | 20 - 10000 Hz | Sennheiser HD 350BT offer a larger frequency range than Poly EncorePro 320. |
| Total Harmonic Distortion (THD) | <0.3% | - | |
| Impedance | - | 32 Ohm | |
| Max Sound Pressure | 108 dB | - | |
| Diaphragm | - | 5.6 mm | |
| Features | - | SoundGuard DIGITAL Technology | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sennheiser HD 350BT | Poly EncorePro 320 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | Beamforming | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 320 microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Passive noise cancellation (PNC) | |
| Frequency Response | 80 - 6000 Hz | 35 - 21000 Hz | Poly EncorePro 320 offer a larger microphone frequency range than Sennheiser HD 350BT. |
| Sensitivity | - | 40 dB | |
| Sensitivity Margin | - | +/- 3dB | |
| Signal-To-Noise Ratio | - | 53 dB | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Sennheiser HD 350BT | Poly EncorePro 320 |
|---|
| Controls | - | Mute, volume, answer/end |
|---|
| CABLE | Sennheiser HD 350BT | Poly EncorePro 320 |
|---|
| Cable Type | USB-C charge cable - detachable | Headset cable - 2.19 m | |
|---|---|---|---|
| Cable Length | - | 2.19 m |
| FEATURES | Sennheiser HD 350BT | Poly EncorePro 320 |
|---|
| Features | - | Boom mic length 135mm, 290° rotatable microphone |
|---|
| BATTERY AND CHARGING | Sennheiser HD 350BT | Poly EncorePro 320 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 300 mAh | - | |
| Battery Life | 30 hours | - | |
| Charging Time | 2 hours | - |
| CONNECTIONS | Sennheiser HD 350BT | Poly EncorePro 320 |
|---|
| Connector Type | - | USB (USB Type-A) |
|---|
| OTHERS | Sennheiser HD 350BT | Poly EncorePro 320 |
|---|
| Compatibility | - | Mac, Windows | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | macOS, Windows | |
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - 2 years | - |
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