Side by side comparison and review of Poly SupraPlus H261N-CD and Sennheiser HD 350BT. 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 | Poly SupraPlus H261N-CD | Sennheiser HD 350BT |
|---|
| Product Type | Headset - wired - Quick Disconnect | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | Controller and Dispatch | - | |
| Weight | - | 238 g | |
| Colour | - | Black | White |
| SOUND QUALITY | Poly SupraPlus H261N-CD | Sennheiser HD 350BT |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | Sennheiser HD 350BT 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 | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 18 - 22000 Hz | |
| Total Harmonic Distortion (THD) | - | <0.3% | |
| Max Sound Pressure | - | 108 dB |
| MICROPHONE | Poly SupraPlus H261N-CD | Sennheiser HD 350BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | Mono | Beamforming | |
| Frequency Response | - | 80 - 6000 Hz | |
| Microphones Included | - | 2 |
| CABLE | Poly SupraPlus H261N-CD | Sennheiser HD 350BT |
|---|
| Cable Type | Headset cable | USB-C charge cable - detachable |
|---|
| BATTERY AND CHARGING | Poly SupraPlus H261N-CD | Sennheiser HD 350BT |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 300 mAh | |
| Battery Life | - | 30 hours | |
| Charging Time | - | 2 hours |
| CONNECTIONS | Poly SupraPlus H261N-CD | Sennheiser HD 350BT |
|---|
| Connector Type | Headset (Quick Disconnect) | - |
|---|
| OTHERS | Poly SupraPlus H261N-CD | Sennheiser HD 350BT |
|---|
| Service & Support | - | Limited warranty - 2 years |
|---|
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