In depth comparison and review of JVC TINYPHONES HA-KD7 and Poly Voyager 4220 UC. 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 TINYPHONES HA-KD7 | Poly Voyager 4220 UC |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless | |
|---|---|---|---|
| Series | - | UC Series | |
| Weight | 110 g | 150 g | JVC TINYPHONES HA-KD7 are lighter than JVC TINYPHONES HA-KD7 headphones. |
| Design | Kids | - | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | JVC TINYPHONES HA-KD7 | Poly Voyager 4220 UC |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | Yes | - | |
| 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, mSBC | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 15 - 23000 Hz | 20 - 20000 Hz | JVC TINYPHONES HA-KD7 offer a larger frequency range than Poly Voyager 4220 UC. |
| Max Input Power | 200 mW | - | |
| Sensitivity | 85 dB/mW | - | |
| Impedance | - | 32 Ohm | |
| Diaphragm | 30 mm | 32 mm | Poly Voyager 4220 UC have a thicker diaphragm than JVC TINYPHONES HA-KD7. |
| Magnet Material | Ferrite | - | |
| Features | - | SoundGuard DIGITAL Technology |
| MICROPHONE | JVC TINYPHONES HA-KD7 | Poly Voyager 4220 UC |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Uni-directional | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | JVC TINYPHONES HA-KD7 | Poly Voyager 4220 UC |
|---|
| Controls | - | Mute, volume, answer/end, play/pause, next/previous track, reject call, redial, voice assistant |
|---|
| CABLE | JVC TINYPHONES HA-KD7 | Poly Voyager 4220 UC |
|---|
| Cable Type | Headphones cable - 0.8 m | - | |
|---|---|---|---|
| Cable Length | 0.8 m | - | |
| Plated Connector | Nickel | - |
| FEATURES | JVC TINYPHONES HA-KD7 | Poly Voyager 4220 UC |
|---|
| Features | - | Voice alerts | |
|---|---|---|---|
| Intelligent Assistant | - | Alexa |
| BATTERY AND CHARGING | JVC TINYPHONES HA-KD7 | Poly Voyager 4220 UC |
|---|
| 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 | JVC TINYPHONES HA-KD7 | Poly Voyager 4220 UC |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Wireless adapter (4 PIN USB Type A) |
|---|
| OTHERS | JVC TINYPHONES HA-KD7 | Poly Voyager 4220 UC |
|---|
| Included Accessories | Decorative stickers | Bluetooth USB adapter, charging stand |
|---|
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