Side by side comparison and review of Poly Voyager 4220 USB-C and JVC HA KD7. 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 | JVC HA KD7 |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-C | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Series | UC Series | - | |
| Weight | 150 g | 110 g | JVC HA KD7 are lighter than Poly Voyager 4220 USB-C headphones. |
| Colour | - | Pink violet | |
| Design | - | Kids | |
| Recommended Use | - | Home audio | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 USB-C | JVC HA KD7 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wired | |
| 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, mSBC | - | |
| Volume Limiting Function | - | Yes | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | 15 - 23000 Hz | JVC HA KD7 offer a larger frequency range than Poly Voyager 4220 USB-C. |
| Max Input Power | - | 200 mW | |
| Sensitivity | 94 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | - | 85 dB | |
| Diaphragm | 32 mm | 30 mm | Poly Voyager 4220 USB-C have a thicker diaphragm than JVC HA KD7. |
| Magnet Material | - | Ferrite | |
| Features | SoundGuard DIGITAL Technology | - |
| MICROPHONE | Poly Voyager 4220 USB-C | JVC HA KD7 |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | Uni-directional | - | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 USB-C | JVC HA KD7 |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track, reject call, redial, voice assistant | - |
|---|
| CABLE | Poly Voyager 4220 USB-C | JVC HA KD7 |
|---|
| Cable Type | - | Headphones cable - straight - 80 cm | |
|---|---|---|---|
| Cable Length | - | 80 cm | |
| Plated Connector | - | Nickel |
| FEATURES | Poly Voyager 4220 USB-C | JVC HA KD7 |
|---|
| Features | Voice alerts | - |
|---|
| BATTERY AND CHARGING | Poly Voyager 4220 USB-C | JVC HA KD7 |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 360 mAh | - | |
| Battery Life | 15 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 | Poly Voyager 4220 USB-C | JVC HA KD7 |
|---|
| Connector Type | - | (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Poly Voyager 4220 USB-C | JVC HA KD7 |
|---|
| Included Accessories | Bluetooth USB adapter, charging stand | Stickers | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams | - |
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