In depth comparison and review of JVC HA S31M and Poly Voyager 4220 (Office 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 Series) |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless - USB-C | |
|---|---|---|---|
| Series | - | Office Series | |
| Weight | 140 g | 150 g | JVC HA S31M are lighter than JVC HA S31M headphones. |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | - | 91 m |
| SOUND QUALITY | JVC HA S31M | Poly Voyager 4220 (Office Series) |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wired | Wireless | |
| 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 | |
| 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 Series). |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | - | 32 mm | |
| Magnet Material | Neodymium | - | |
| Features | - | SoundGuard DIGITAL Technology | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | JVC HA S31M | Poly Voyager 4220 (Office Series) |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Uni-directional | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | JVC HA S31M | Poly Voyager 4220 (Office Series) |
|---|
| Controls | 4-button remote | Mute, volume, answer/end, next/previous track, redial |
|---|
| CABLE | JVC HA S31M | Poly Voyager 4220 (Office Series) |
|---|
| Cable Type | Headphones cable - single-sided - L shaped - 1.2 m | - | |
|---|---|---|---|
| Cable Length | 1.2 m | - | |
| Plated Connector | Gold | - |
| FEATURES | JVC HA S31M | Poly Voyager 4220 (Office Series) |
|---|
| Features | - | Voice alerts |
|---|
| BATTERY AND CHARGING | JVC HA S31M | Poly Voyager 4220 (Office Series) |
|---|
| Battery Type | - | Headset battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 360 mAh | |
| Battery Life | - | 12 hour(s) | |
| Battery Life Details | - | Continuous playback: up to 15 hours Continuous talk: up to 12 hours |
|
| Standby Time | - | 312 hours | |
| Charging Time | - | 1.5 hour(s) |
| CONNECTIONS | JVC HA S31M | Poly Voyager 4220 (Office Series) |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | USB (24 pin USB-C) |
|---|
| OTHERS | JVC HA S31M | Poly Voyager 4220 (Office Series) |
|---|
| Compatibility | iPhone | - | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams |
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