Detailed comparison and review of Sennheiser PXC 550-II and Poly Voyager 4220. 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 Voyager 4220 |
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Product Type | Headphones - Bluetooth - wireless | Headset - Bluetooth - wireless | |
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Series | - | 4200 UC Series | |
Height | 17.4 cm | - | |
Width | 13.6 cm | - | |
Depth | 6.3 cm | - | |
Weight | 227 g | 150 g | Poly Voyager 4220 are lighter than Sennheiser PXC 550-II headphones. |
Recommended Use | Portable electronics | - | |
Bluetooth Range (Operating Distance) | - | 30 m |
SOUND QUALITY | Sennheiser PXC 550-II | Poly Voyager 4220 |
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Headphones Form Factor | Full size | On-ear | |
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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, AAC, aptX, apt-X LL | SBC, mSBC | |
Active Noise Cancelling | Yes | - | Sennheiser PXC 550-II are equipped with active noice cancellation. |
Sound Output Mode | Stereo | Stereo | |
Frequency Response | 17 - 23000 Hz | 20 - 20000 Hz | Sennheiser PXC 550-II offer a larger frequency range than Poly Voyager 4220. |
Total Harmonic Distortion (THD) | <0.5% | - | |
Sensitivity | 110 dB | - | |
Impedance | 490 Ohm | 32 Ohm | |
Diaphragm | 32 mm | 32 mm | Both headphones are designed with same thick diaphragm. |
Features | - | SoundGuard DIGITAL Technology |
MICROPHONE | Sennheiser PXC 550-II | Poly Voyager 4220 |
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Form Factor | Built-in | Headset microphone | |
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Type | - | Boom | |
Microphone Operation Mode | - | Uni-directional, MEMS-directional | |
Noise Cancelling | - | Yes | Poly Voyager 4220 microphone can cancel out ambient noise. |
Frequency Response | 50 - 10000 Hz | 100 - 6800 Hz | Sennheiser PXC 550-II offer a larger microphone frequency range than Poly Voyager 4220. |
Sensitivity | -34 dBV/Pascal | - | |
Microphones Included | 3 | 2 | Sennheiser PXC 550-II have a built-in microphone. |
REMOTE CONTROL | Sennheiser PXC 550-II | Poly Voyager 4220 |
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Controls | Mute, volume, answer/end, hold, play/pause, next/previous track | Mute, volume, answer/end, play/pause, next/previous track, reject call, redial, voice assistant |
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CABLE | Sennheiser PXC 550-II | Poly Voyager 4220 |
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Cable Type | USB charge cable Audio cable |
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Detachable Cable | Yes | - |
FEATURES | Sennheiser PXC 550-II | Poly Voyager 4220 |
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Features | - | Voice alerts | |
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Internet of Things (IoT) Compatible | Yes | - | |
Intelligent Assistant | Siri, Google Assistant, Alexa | - | |
Additional Functions | Touch panel | - |
BATTERY AND CHARGING | Sennheiser PXC 550-II | Poly Voyager 4220 |
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Battery Type | Headphone battery rechargeable - lithium | Headset battery rechargeable - lithium polymer | |
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Battery Capacity | - | 360 mAh | |
Battery Life | 30 hour(s) | 15 hour(s) | Sennheiser PXC 550-II lasts longer on a single charge than the Poly Voyager 4220. |
Battery Life Details | Continuous playback (noise cancelling ON / cable connection): up to 30 hours Continuous playback (noise cancelling ON / Bluetooth): up to 20 hours |
Continuous playback: up to 15 hours Continuous talk: up to 12 hours |
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Standby Time | - | 312 hours | |
Charging Time | 3 hour(s) | 1.5 hour(s) | Poly Voyager 4220 recharge faster than Sennheiser PXC 550-II. |
CONNECTIONS | Sennheiser PXC 550-II | Poly Voyager 4220 |
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Connector Type | Headphones (mini-phone stereo 3.5 mm) USB (micro-USB) |
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OTHERS | Sennheiser PXC 550-II | Poly Voyager 4220 |
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Included Accessories | Carrying case, airplane adapter | Bluetooth USB adapter | |
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Software Certification | - | Certified for Microsoft Teams | |
Compliant Standards | MFI | - | |
Service & Support | Limited warranty - 2 years | - |