Side by side comparison and review of JVC HA KD7 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 | JVC HA KD7 | Poly Voyager 4220 (Office Series) |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless - USB-C | |
|---|---|---|---|
| Series | - | Office Series | |
| Weight | 110 g | 150 g | JVC HA KD7 are lighter than JVC HA KD7 headphones. |
| Colour | Pink violet | - | |
| Design | Kids | - | |
| Recommended Use | Home audio | - | |
| Bluetooth Range (Operating Distance) | - | 91 m |
| SOUND QUALITY | JVC HA KD7 | Poly Voyager 4220 (Office Series) |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| 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 | |
| Volume Limiting Function | Yes | - | |
| Sound Output Mode | - | Stereo | |
| Frequency Response | 15 - 23000 Hz | 20 - 20000 Hz | JVC HA KD7 offer a larger frequency range than Poly Voyager 4220 (Office Series). |
| Max Input Power | 200 mW | - | |
| Impedance | - | 32 Ohm | |
| Max Sound Pressure | 85 dB | - | |
| Diaphragm | 30 mm | 32 mm | Poly Voyager 4220 (Office Series) have a thicker diaphragm than JVC HA KD7. |
| Magnet Material | Ferrite | - | |
| Features | - | SoundGuard DIGITAL Technology |
| MICROPHONE | JVC HA KD7 | Poly Voyager 4220 (Office Series) |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Uni-directional | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | JVC HA KD7 | Poly Voyager 4220 (Office Series) |
|---|
| Controls | - | Mute, volume, answer/end, next/previous track, redial |
|---|
| CABLE | JVC HA KD7 | Poly Voyager 4220 (Office Series) |
|---|
| Cable Type | Headphones cable - straight - 80 cm | - | |
|---|---|---|---|
| Cable Length | 80 cm | - | |
| Plated Connector | Nickel | - |
| FEATURES | JVC HA KD7 | Poly Voyager 4220 (Office Series) |
|---|
| Features | - | Voice alerts |
|---|
| BATTERY AND CHARGING | JVC HA KD7 | 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 KD7 | Poly Voyager 4220 (Office Series) |
|---|
| Connector Type | (mini-phone stereo 3.5 mm) | USB (24 pin USB-C) |
|---|
| OTHERS | JVC HA KD7 | Poly Voyager 4220 (Office Series) |
|---|
| Included Accessories | Stickers | - | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams |
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