Detailed comparison and review of Poly EncorePro 720D and JBL LIVE 670NC. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Poly EncorePro 720D | JBL LIVE 670NC |
|---|
| Product Type | Headset - wired - USB-A | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Series | EncorePro 700 Series | - | |
| Weight | 78 g | 219 g | Poly EncorePro 720D are lighter than Poly EncorePro 720D headphones. |
| Colour | Black | Black | |
| Earpad Material | Artificial leather | - | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | Poly EncorePro 720D | JBL LIVE 670NC |
|---|
| Headphones Form Factor | On-ear binaural | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Foldable | - | Yes | JBL LIVE 670NC can be folded. |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.3 | |
| Bluetooth Profiles | - | 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 | |
| Sound Effects | - | Signature Sound, JBL Spatial Sound | |
| Frequency Response | - | 20 - 20000 Hz | |
| Sensitivity | - | 98 dB | |
| Impedance | - | 32 Ohm | |
| Max Sound Pressure | - | 95 dB | |
| Diaphragm | 28 mm | 40 mm | JBL LIVE 670NC have a thicker diaphragm than Poly EncorePro 720D. |
| Features | SoundGuard Technology | TalkThru technology, 2 devices connectivity, Ambient Aware, Auto Play, Auto Pause, Speed Charge, Smart Ambient |
| MICROPHONE | Poly EncorePro 720D | JBL LIVE 670NC |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Noise Cancelling | Yes | - | Poly EncorePro 720D microphone can cancel out ambient noise. |
| Noise Cancelling Technology | Passive noise cancellation (PNC) | - | |
| Frequency Response | 100 - 6800 Hz | - | |
| Audio Input Details | - | Beamforming | |
| Sensitivity | - | -38 dBV/Pascal | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Poly EncorePro 720D | JBL LIVE 670NC |
|---|
| Controls | - | On/off, answer/end, voice assistant |
|---|
| CABLE | Poly EncorePro 720D | JBL LIVE 670NC |
|---|
| Cable Type | - | USB-C charge cable - detachable Headphones cable - detachable - 2 m |
|
|---|---|---|---|
| Cable Length | 89 cm | 2 m | |
| Detachable Cable | - | Yes |
| FEATURES | Poly EncorePro 720D | JBL LIVE 670NC |
|---|
| Features | Quick Disconnect, 290° rotatable microphone, boom mic length 120-145 mm | Touch control | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Google Assistant, Alexa | |
| Sensors | - | Touch sensor |
| BATTERY AND CHARGING | Poly EncorePro 720D | JBL LIVE 670NC |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 850 mAh | |
| Battery Life | - | 65 hour(s) | |
| Battery Life Details | - | 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 |
|
| Charging Time | - | 3 hour(s) |
| CONNECTIONS | Poly EncorePro 720D | JBL LIVE 670NC |
|---|
| Connector Type | USB (USB Type-A) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Poly EncorePro 720D | JBL LIVE 670NC |
|---|
| Included Accessories | - | Carrying pouch, audio cable, USB-C charging cable | |
|---|---|---|---|
| Compatibility | - | Android phone, Windows, Android tablet | |
| TAA Compliant | Yes | - | |
| Service & Support | - | Limited warranty - 2 years |
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