Side by side comparison and review of Poly Voyager 4220 USB-C and Sennheiser PXC 550-II. 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 Voyager 4220 USB-C | Sennheiser PXC 550-II |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-C | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | UC Series | - | |
| Height | - | 17.4 cm | |
| Width | - | 13.6 cm | |
| Depth | - | 6.3 cm | |
| Weight | 150 g | 227 g | Poly Voyager 4220 USB-C are lighter than Poly Voyager 4220 USB-C headphones. |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 USB-C | Sennheiser PXC 550-II |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Sennheiser PXC 550-II can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 | Both headphones have the same Bluetooth version. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC, mSBC | SBC, AAC, aptX, apt-X LL | |
| Active Noise Cancelling | - | Yes | Sennheiser PXC 550-II are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 17 - 23000 Hz | Sennheiser PXC 550-II offer a larger frequency range than Poly Voyager 4220 USB-C. |
| Total Harmonic Distortion (THD) | - | <0.5% | |
| Sensitivity | 94 dB | 110 dB | Sennheiser PXC 550-II have higher sensitivity than Poly Voyager 4220 USB-C. |
| Impedance | 32 Ohm | 490 Ohm | |
| Diaphragm | 32 mm | 32 mm | Both headphones are designed with same thick diaphragm. |
| Features | SoundGuard DIGITAL Technology | - |
| MICROPHONE | Poly Voyager 4220 USB-C | Sennheiser PXC 550-II |
|---|
| Form Factor | Headset microphone | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | Uni-directional | - | |
| Frequency Response | - | 50 - 10000 Hz | |
| Sensitivity | - | -34 dBV/Pascal | |
| Microphones Included | 2 | 3 | Sennheiser PXC 550-II have a built-in microphone. |
| REMOTE CONTROL | Poly Voyager 4220 USB-C | Sennheiser PXC 550-II |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track, reject call, redial, voice assistant | Mute, volume, answer/end, hold, play/pause, next/previous track |
|---|
| CABLE | Poly Voyager 4220 USB-C | Sennheiser PXC 550-II |
|---|
| Cable Type | - | USB charge cable Audio cable |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| FEATURES | Poly Voyager 4220 USB-C | Sennheiser PXC 550-II |
|---|
| Features | Voice alerts | - | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Siri, Google Assistant, Alexa | |
| Additional Functions | - | Touch panel |
| BATTERY AND CHARGING | Poly Voyager 4220 USB-C | Sennheiser PXC 550-II |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headphone battery rechargeable - lithium | |
|---|---|---|---|
| Battery Capacity | 360 mAh | - | |
| Battery Life | 15 hour(s) | 30 hour(s) | Sennheiser PXC 550-II lasts longer on a single charge than the Poly Voyager 4220 USB-C. |
| Battery Life Details | Continuous playback: up to 15 hours Continuous talk: up to 12 hours |
Continuous playback (noise cancelling ON / cable connection): up to 30 hours Continuous playback (noise cancelling ON / Bluetooth): up to 20 hours |
|
| Standby Time | 312 hours | - | |
| Charging Time | 1.5 hour(s) | 3 hour(s) | Poly Voyager 4220 USB-C recharge faster than Poly Voyager 4220 USB-C. |
| CONNECTIONS | Poly Voyager 4220 USB-C | Sennheiser PXC 550-II |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm) USB (micro-USB) |
|---|
| OTHERS | Poly Voyager 4220 USB-C | Sennheiser PXC 550-II |
|---|
| Included Accessories | Bluetooth USB adapter, charging stand | Carrying case, airplane adapter | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams | - | |
| Compliant Standards | - | MFI | |
| Service & Support | - | Limited warranty - 2 years |
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