Detailed comparison and review of Sennheiser PXC 550-II 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 PXC 550-II | Poly SupraPlus SDS 1031-15 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset | |
|---|---|---|---|
| Height | 17.4 cm | - | |
| Width | 13.6 cm | - | |
| Depth | 6.3 cm | - | |
| Weight | 227 g | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Sennheiser PXC 550-II | Poly SupraPlus SDS 1031-15 |
|---|
| Headphones Form Factor | Full size | - | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Adjustable Headband | Yes | - | |
| Foldable | Yes | - | Sennheiser PXC 550-II 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 | - | |
| Active Noise Cancelling | Yes | - | Sennheiser PXC 550-II are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 17 - 23000 Hz | - | |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 110 dB | - | |
| Impedance | 490 Ohm | - | |
| Diaphragm | 32 mm | - |
| MICROPHONE | Sennheiser PXC 550-II | Poly SupraPlus SDS 1031-15 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Frequency Response | 50 - 10000 Hz | - | |
| Sensitivity | -34 dBV/Pascal | - | |
| Microphones Included | 3 | - |
| REMOTE CONTROL | Sennheiser PXC 550-II | Poly SupraPlus SDS 1031-15 |
|---|
| Controls | Mute, volume, answer/end, hold, play/pause, next/previous track | Push to Talk (PTT) |
|---|
| CABLE | Sennheiser PXC 550-II | Poly SupraPlus SDS 1031-15 |
|---|
| Cable Type | USB charge cable Audio cable |
Quick Disconnect to LEMO FFP.2S.310 cable | |
|---|---|---|---|
| Detachable Cable | Yes | - |
| FEATURES | Sennheiser PXC 550-II | Poly SupraPlus SDS 1031-15 |
|---|
| Internet of Things (IoT) Compatible | Yes | - | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Assistant, Alexa | - | |
| Additional Functions | Touch panel | - |
| BATTERY AND CHARGING | Sennheiser PXC 550-II | Poly SupraPlus SDS 1031-15 |
|---|
| Battery Type | Headphone battery rechargeable - lithium | - | |
|---|---|---|---|
| Battery Life | 30 hour(s) | - | |
| Battery Life Details | Continuous playback (noise cancelling ON / cable connection): up to 30 hours Continuous playback (noise cancelling ON / Bluetooth): up to 20 hours |
- | |
| Charging Time | 3 hour(s) | - |
| CONNECTIONS | Sennheiser PXC 550-II | Poly SupraPlus SDS 1031-15 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) USB (micro-USB) |
- |
|---|
| OTHERS | Sennheiser PXC 550-II | Poly SupraPlus SDS 1031-15 |
|---|
| Included Accessories | Carrying case, airplane adapter | - | |
|---|---|---|---|
| Compliant Standards | MFI | - | |
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - 2 years | - |
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