In depth comparison and review of Sennheiser HD 350BT and Poly Voyager Surround 80-M UC. 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 HD 350BT | Poly Voyager Surround 80-M UC |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - Bluetooth - wireless - USB-C via Bluetooth adapter | |
|---|---|---|---|
| Series | - | Voyager Surround 80 series | |
| Height | - | 18.1 cm | |
| Width | - | 19.1 cm | |
| Depth | - | 7.7 cm | |
| Weight | 238 g | 275 g | Sennheiser HD 350BT are lighter than Sennheiser HD 350BT headphones. |
| Colour | Black | White | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | - | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | Sennheiser HD 350BT | Poly Voyager Surround 80-M UC |
|---|
| Headphones Form Factor | Full size | Over ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sennheiser HD 350BT can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.3 | Poly Voyager Surround 80-M UC have a more advanced version of Bluetooth than Sennheiser HD 350BT. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Audio/Video Distribution Transport Protocol (AVDTP) | |
| Bluetooth Audio Codec | SBC, AAC, aptX, apt-X LL | - | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 18 - 22000 Hz | - | |
| Total Harmonic Distortion (THD) | <0.3% | - | |
| Sensitivity | - | 132 dB | |
| Max Sound Pressure | 108 dB | - | |
| Diaphragm | - | 40 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Poly Voyager Surround 80-M UC have the ability to connect to multiple devices simultaneously. |
| Features | - | SoundGuard DIGITAL Technology |
| MICROPHONE | Sennheiser HD 350BT | Poly Voyager Surround 80-M UC |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Beamforming | - | |
| Frequency Response | 80 - 6000 Hz | 20 - 16000 Hz | Poly Voyager Surround 80-M UC offer a larger microphone frequency range than Sennheiser HD 350BT. |
| Sensitivity | - | -37 dB | |
| Microphones Included | 2 | 10 | Poly Voyager Surround 80-M UC have a built-in microphone. |
| REMOTE CONTROL | Sennheiser HD 350BT | Poly Voyager Surround 80-M UC |
|---|
| Controls | - | Volume, power on/off, answer/end, play/pause |
|---|
| CABLE | Sennheiser HD 350BT | Poly Voyager Surround 80-M UC |
|---|
| Cable Type | USB-C charge cable - detachable | - |
|---|
| BATTERY AND CHARGING | Sennheiser HD 350BT | Poly Voyager Surround 80-M UC |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headset battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 300 mAh | - | |
| Battery Life | 30 hours | 24 hours | Sennheiser HD 350BT lasts longer on a single charge than the Poly Voyager Surround 80-M UC. |
| Battery Life Details | - | Continuous playback: up to 24 hours Continuous talk: up to 21 hours |
|
| Charging Time | 2 hours | 1 hours | Poly Voyager Surround 80-M UC recharge faster than Sennheiser HD 350BT. |
| OTHERS | Sennheiser HD 350BT | Poly Voyager Surround 80-M UC |
|---|
| Included Accessories | - | Carrying case, USB charging cable, USB-C to USB-A adapter, USB-C to audio cable, BT700 Bluetooth USB-C adapter | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | macOS, Android, iOS, Windows | |
| Service & Support | Limited warranty - 2 years | - |
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