In depth comparison and review of JVC HA S31M and Poly Voyager 4220 Office (UC Series). Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
DESIGN AND DIMENSIONS | JVC HA S31M | Poly Voyager 4220 Office (UC Series) |
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Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless - USB-C | |
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Series | - | UC Series | |
Weight | 140 g | 150 g | JVC HA S31M are lighter than JVC HA S31M headphones. |
Recommended Use | Portable electronics | - | |
Bluetooth Range (Operating Distance) | - | 30 m |
SOUND QUALITY | JVC HA S31M | Poly Voyager 4220 Office (UC Series) |
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Headphones Form Factor | On-ear | On-ear | |
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Connectivity Technology | Wired | Wireless | |
Wireless Technology | - | Bluetooth | |
Bluetooth Version | - | Bluetooth 4.1 | |
Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
Sound Output Mode | - | Stereo | |
Frequency Response | 10 - 26000 Hz | 20 - 20000 Hz | JVC HA S31M offer a larger frequency range than Poly Voyager 4220 Office (UC Series). |
Sensitivity | - | 94 dB | |
Impedance | 32 Ohm | 32 Ohm | |
Diaphragm | - | 32 mm | |
Magnet Material | Neodymium | - | |
Features | - | SoundGuard Technology | |
In-Cord Volume Control | Yes | - |
MICROPHONE | JVC HA S31M | Poly Voyager 4220 Office (UC Series) |
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Type | - | Boom | |
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Microphone Operation Mode | - | Uni-directional | |
Microphones Included | - | 2 |
REMOTE CONTROL | JVC HA S31M | Poly Voyager 4220 Office (UC Series) |
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Controls | 4-button remote | Mute, volume, answer/end, play/pause, next/previous track |
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CABLE | JVC HA S31M | Poly Voyager 4220 Office (UC Series) |
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Cable Type | Headphones cable - single-sided - L shaped - 1.2 m | - | |
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Cable Length | 1.2 m | - | |
Plated Connector | Gold | - |
FEATURES | JVC HA S31M | Poly Voyager 4220 Office (UC Series) |
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Features | - | Voice alerts |
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BATTERY AND CHARGING | JVC HA S31M | Poly Voyager 4220 Office (UC Series) |
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Battery Type | - | Headset battery rechargeable - lithium polymer | |
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Battery Capacity | - | 360 mAh | |
Battery Life | - | 12 hour(s) | |
Battery Life Details | - | Continuous playback: up to 15 hours Continuous talk: up to 12 hours |
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Standby Time | - | 312 hours | |
Charging Time | - | 1.5 hour(s) |
CONNECTIONS | JVC HA S31M | Poly Voyager 4220 Office (UC Series) |
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Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
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OTHERS | JVC HA S31M | Poly Voyager 4220 Office (UC Series) |
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Included Accessories | - | Wireless headset system base, Bluetooth USB-C adapter | |
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Compatibility | iPhone | - |