Side by side comparison and review of Sennheiser PXC 550-II and Poly SupraPlus NC. 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 | Sennheiser PXC 550-II | Poly SupraPlus NC |
|---|
| 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 NC |
|---|
| Headphones Form Factor | Full size | - | |
|---|---|---|---|
| Headphones Technology | 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 NC |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Frequency Response | 50 - 10000 Hz | - | |
| Sensitivity | -34 dBV/Pascal | - | |
| Microphones Included | 3 | - |
| REMOTE CONTROL | Sennheiser PXC 550-II | Poly SupraPlus NC |
|---|
| Controls | Mute, volume, answer/end, hold, play/pause, next/previous track | - |
|---|
| CABLE | Sennheiser PXC 550-II | Poly SupraPlus NC |
|---|
| Cable Type | USB charge cable Audio cable |
- | |
|---|---|---|---|
| Detachable Cable | Yes | - |
| FEATURES | Sennheiser PXC 550-II | Poly SupraPlus NC |
|---|
| 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 NC |
|---|
| 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 NC |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) USB (micro-USB) |
- |
|---|
| OTHERS | Sennheiser PXC 550-II | Poly SupraPlus NC |
|---|
| Included Accessories | Carrying case, airplane adapter | Monitor receiver | |
|---|---|---|---|
| Compliant Standards | MFI | - | |
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - 2 years | - |
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