Side by side comparison and review of Sennheiser PXC 550-II and Poly Blackwire C5220. 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 Blackwire C5220 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - 3.5 mm jack, USB-A | |
|---|---|---|---|
| Series | - | Blackwire 5200 series | |
| Height | 17.4 cm | - | |
| Width | 13.6 cm | - | |
| Depth | 6.3 cm | - | |
| Weight | 227 g | 164.2 g | Poly Blackwire C5220 are lighter than Sennheiser PXC 550-II headphones. |
| Colour | - | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Portable electronics | Portable electronics, computer |
| SOUND QUALITY | Sennheiser PXC 550-II | Poly Blackwire C5220 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | Yes | Yes | |
| Foldable | Yes | - | Sennheiser PXC 550-II can be folded. |
| Connectivity Technology | Wireless | Wired | |
| 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 | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 17 - 23000 Hz | - | |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 110 dB | 90 dB | Sennheiser PXC 550-II have higher sensitivity than Poly Blackwire C5220. |
| Impedance | 490 Ohm | 32 Ohm | |
| Diaphragm | 32 mm | 28 mm | Sennheiser PXC 550-II have a thicker diaphragm than Poly Blackwire C5220. |
| Features | - | Digital signal processing, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sennheiser PXC 550-II | Poly Blackwire C5220 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Noise Cancelling | - | Yes | Poly Blackwire C5220 microphone can cancel out ambient noise. |
| Frequency Response | 50 - 10000 Hz | 100 - 10000 Hz | Sennheiser PXC 550-II offer a larger microphone frequency range than Poly Blackwire C5220. |
| Sensitivity | -34 dBV/Pascal | -38 dB | |
| Microphones Included | 3 | - |
| REMOTE CONTROL | Sennheiser PXC 550-II | Poly Blackwire C5220 |
|---|
| Controls | Mute, volume, answer/end, hold, play/pause, next/previous track | Mute, volume, answer/end |
|---|
| CABLE | Sennheiser PXC 550-II | Poly Blackwire C5220 |
|---|
| Cable Type | USB charge cable Audio cable |
USB-A cable - 21.7 cm | |
|---|---|---|---|
| Detachable Cable | Yes | - |
| FEATURES | Sennheiser PXC 550-II | Poly Blackwire C5220 |
|---|
| Features | - | 280° rotatable microphone | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | Yes | - | |
| Intelligent Assistant | Siri, Google Assistant, Alexa | - | |
| Additional Functions | Touch panel | - |
| BATTERY AND CHARGING | Sennheiser PXC 550-II | Poly Blackwire C5220 |
|---|
| 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 Blackwire C5220 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) USB (micro-USB) |
USB (USB Type-A) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Sennheiser PXC 550-II | Poly Blackwire C5220 |
|---|
| Included Accessories | Carrying case, airplane adapter | Carrying case | |
|---|---|---|---|
| Software Included | - | Poly Lens | |
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Certified for Skype for Business, Certified for Microsoft Teams, Certified for Zoom Rooms, Avaya Certified, Cisco Jabber Certified | |
| Supported Host Device OS | - | macOS, Windows | |
| Compliant Standards | MFI | - | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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