In depth comparison and review of Poly Voyager 4220 Office (UC Series) and JBL LIVE 670NC. 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 | Poly Voyager 4220 Office (UC Series) | JBL LIVE 670NC |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-C | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Series | UC Series | - | |
| Weight | 150 g | 219 g | Poly Voyager 4220 Office (UC Series) are lighter than Poly Voyager 4220 Office (UC Series) headphones. |
| Colour | - | Black | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 Office (UC Series) | JBL LIVE 670NC |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Foldable | - | Yes | JBL LIVE 670NC can be folded. |
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.3 | JBL LIVE 670NC have a more advanced version of Bluetooth than Poly Voyager 4220 Office (UC Series). |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Active Noise Cancelling | - | Yes | JBL LIVE 670NC are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | True Adaptive Noise Canceling | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Signature Sound, JBL Spatial Sound | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 94 dB | 98 dB | JBL LIVE 670NC have higher sensitivity than Poly Voyager 4220 Office (UC Series). |
| Impedance | 32 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 95 dB | |
| Diaphragm | 32 mm | 40 mm | JBL LIVE 670NC have a thicker diaphragm than Poly Voyager 4220 Office (UC Series). |
| Features | SoundGuard Technology | TalkThru technology, 2 devices connectivity, Ambient Aware, Auto Play, Auto Pause, Speed Charge, Smart Ambient |
| MICROPHONE | Poly Voyager 4220 Office (UC Series) | JBL LIVE 670NC |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | Uni-directional | - | |
| Audio Input Details | - | Beamforming | |
| Sensitivity | - | -38 dBV/Pascal | |
| Microphones Included | 2 | 2 | Both headphones have a built-in microphone. |
| REMOTE CONTROL | Poly Voyager 4220 Office (UC Series) | JBL LIVE 670NC |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track | On/off, answer/end, voice assistant |
|---|
| CABLE | Poly Voyager 4220 Office (UC Series) | JBL LIVE 670NC |
|---|
| Cable Type | - | USB-C charge cable - detachable Headphones cable - detachable - 2 m |
|
|---|---|---|---|
| Cable Length | - | 2 m | |
| Detachable Cable | - | Yes |
| FEATURES | Poly Voyager 4220 Office (UC Series) | JBL LIVE 670NC |
|---|
| Features | Voice alerts | Touch control | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Google Assistant, Alexa | |
| Sensors | - | Touch sensor |
| BATTERY AND CHARGING | Poly Voyager 4220 Office (UC Series) | JBL LIVE 670NC |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 360 mAh | 850 mAh | JBL LIVE 670NC have a higher battery capacity than Poly Voyager 4220 Office (UC Series). |
| Battery Life | 12 hour(s) | 65 hour(s) | JBL LIVE 670NC lasts longer on a single charge than the Poly Voyager 4220 Office (UC Series). |
| Battery Life Details | Continuous playback: up to 15 hours Continuous talk: up to 12 hours |
Continuous playback (active noise-cancelling on) (noise cancelling ON / Bluetooth): up to 50 hours Continuous playback (active noise-cancelling off) (noise cancelling OFF / Bluetooth): up to 65 hours Continuous playback (active noise-cancelling on) (noise cancelling ON / cable connection): up to 40 hours Continuous talk (active noise-cancelling on) (noise cancelling ON): up to 28 hours Continuous talk (active noise-cancelling off) (noise cancelling OFF): up to 33 hours |
|
| Standby Time | 312 hours | - | |
| Charging Time | 1.5 hour(s) | 3 hour(s) | Poly Voyager 4220 Office (UC Series) recharge faster than Poly Voyager 4220 Office (UC Series). |
| CONNECTIONS | Poly Voyager 4220 Office (UC Series) | JBL LIVE 670NC |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Poly Voyager 4220 Office (UC Series) | JBL LIVE 670NC |
|---|
| Included Accessories | Wireless headset system base, Bluetooth USB-C adapter | Carrying pouch, audio cable, USB-C charging cable | |
|---|---|---|---|
| Compatibility | - | Android phone, Windows, Android tablet | |
| Service & Support | - | Limited warranty - 2 years |
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