Side by side comparison and review of Poly Voyager 4220 USB-C and JVC TINYPHONES HA-KD9BT. 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 TINYPHONES HA-KD9BT |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-C | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | UC Series | - | |
| Weight | 150 g | 120 g | JVC TINYPHONES HA-KD9BT are lighter than Poly Voyager 4220 USB-C headphones. |
| Design | - | Kids | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 USB-C | JVC TINYPHONES HA-KD9BT |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 4.2 | Poly Voyager 4220 USB-C have a more advanced version of Bluetooth than JVC TINYPHONES HA-KD9BT. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC, mSBC | SBC | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 94 dB | 85 dB | Poly Voyager 4220 USB-C have higher sensitivity than JVC TINYPHONES HA-KD9BT. |
| Impedance | 32 Ohm | 20 Ohm | |
| Diaphragm | 32 mm | - | |
| Magnet Material | - | Ferrite | |
| Features | SoundGuard DIGITAL Technology | - |
| MICROPHONE | Poly Voyager 4220 USB-C | JVC TINYPHONES HA-KD9BT |
|---|
| Form Factor | Headset microphone | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | Uni-directional | - | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 USB-C | JVC TINYPHONES HA-KD9BT |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track, reject call, redial, voice assistant | Volume, power on/off |
|---|
| CABLE | Poly Voyager 4220 USB-C | JVC TINYPHONES HA-KD9BT |
|---|
| Cable Type | - | USB charge cable - detachable |
|---|
| FEATURES | Poly Voyager 4220 USB-C | JVC TINYPHONES HA-KD9BT |
|---|
| Features | Voice alerts | - |
|---|
| BATTERY AND CHARGING | Poly Voyager 4220 USB-C | JVC TINYPHONES HA-KD9BT |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | 1 x headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 360 mAh | - | |
| Battery Life | 15 hour(s) | 12 hour(s) | Poly Voyager 4220 USB-C lasts longer on a single charge than the JVC TINYPHONES HA-KD9BT. |
| 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) | 3 hour(s) | Poly Voyager 4220 USB-C recharge faster than Poly Voyager 4220 USB-C. |
| Included Qty | - | 1 |
| CONNECTIONS | Poly Voyager 4220 USB-C | JVC TINYPHONES HA-KD9BT |
|---|
| Connector Type | - | Bluetooth USB (power only) (micro-USB) |
|---|
| OTHERS | Poly Voyager 4220 USB-C | JVC TINYPHONES HA-KD9BT |
|---|
| Included Accessories | Bluetooth USB adapter, charging stand | Stickers | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams | - |
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