Detailed comparison and review of Sennheiser HD 350BT and Poly SupraPlus SDS 1031-15. 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 SupraPlus SDS 1031-15 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset | |
|---|---|---|---|
| Weight | 238 g | - | |
| Colour | Black | White | - |
| SOUND QUALITY | Sennheiser HD 350BT | Poly SupraPlus SDS 1031-15 |
|---|
| Headphones Form Factor | Full size | - | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sennheiser HD 350BT can be folded. |
| Connectivity Technology | 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 | - | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 18 - 22000 Hz | - | |
| Total Harmonic Distortion (THD) | <0.3% | - | |
| Max Sound Pressure | 108 dB | - |
| MICROPHONE | Sennheiser HD 350BT | Poly SupraPlus SDS 1031-15 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Microphone Operation Mode | Beamforming | - | |
| Frequency Response | 80 - 6000 Hz | - | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Sennheiser HD 350BT | Poly SupraPlus SDS 1031-15 |
|---|
| Controls | - | Push to Talk (PTT) |
|---|
| CABLE | Sennheiser HD 350BT | Poly SupraPlus SDS 1031-15 |
|---|
| Cable Type | USB-C charge cable - detachable | Quick Disconnect to LEMO FFP.2S.310 cable |
|---|
| BATTERY AND CHARGING | Sennheiser HD 350BT | Poly SupraPlus SDS 1031-15 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 300 mAh | - | |
| Battery Life | 30 hours | - | |
| Charging Time | 2 hours | - |
| OTHERS | Sennheiser HD 350BT | Poly SupraPlus SDS 1031-15 |
|---|
| TAA Compliant | - | Yes | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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