Side by side comparison and review of Sennheiser PXC 550-II and Poly Voyager 4220 (Office Series). 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 Voyager 4220 (Office Series) |
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Product Type | Headphones - Bluetooth - wireless | Headset - Bluetooth - wireless - USB-C | |
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Series | - | Office Series | |
Height | 17.4 cm | - | |
Width | 13.6 cm | - | |
Depth | 6.3 cm | - | |
Weight | 227 g | 150 g | Poly Voyager 4220 (Office Series) are lighter than Sennheiser PXC 550-II headphones. |
Recommended Use | Portable electronics | - | |
Bluetooth Range (Operating Distance) | - | 91 m |
SOUND QUALITY | Sennheiser PXC 550-II | Poly Voyager 4220 (Office Series) |
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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 | |
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 (Office Series). |
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 (Office Series) |
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Form Factor | Built-in | - | |
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Type | - | Boom | |
Microphone Operation Mode | - | Uni-directional | |
Frequency Response | 50 - 10000 Hz | - | |
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 (Office Series) |
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Controls | Mute, volume, answer/end, hold, play/pause, next/previous track | Mute, volume, answer/end, next/previous track, redial |
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CABLE | Sennheiser PXC 550-II | Poly Voyager 4220 (Office Series) |
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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 (Office Series) |
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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 (Office Series) |
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Battery Type | Headphone battery rechargeable - lithium | Headset battery rechargeable - Lithium Ion | |
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Battery Capacity | - | 360 mAh | |
Battery Life | 30 hour(s) | 12 hour(s) | Sennheiser PXC 550-II lasts longer on a single charge than the Poly Voyager 4220 (Office Series). |
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 (Office Series) recharge faster than Sennheiser PXC 550-II. |
CONNECTIONS | Sennheiser PXC 550-II | Poly Voyager 4220 (Office Series) |
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Connector Type | Headphones (mini-phone stereo 3.5 mm) USB (micro-USB) |
USB (24 pin USB-C) |
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OTHERS | Sennheiser PXC 550-II | Poly Voyager 4220 (Office Series) |
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Included Accessories | Carrying case, airplane adapter | - | |
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Software Certification | - | Certified for Microsoft Teams | |
Compliant Standards | MFI | - | |
Service & Support | Limited warranty - 2 years | - |