Side by side comparison and review of Poly Blackwire 325 and JBL LIVE 660NC. 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 Blackwire 325 | JBL LIVE 660NC |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Series | 300 Series | - | |
| Weight | - | 265 g | |
| Colour | - | Blue | White | Black | |
| Headband Material | Metal | - | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | Poly Blackwire 325 | JBL LIVE 660NC |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Active Noise Cancelling | - | Yes | JBL LIVE 660NC are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Adaptive Noise Cancelling | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Signature Sound | |
| Frequency Response | 20 - 20000 Hz | 16 - 20000 Hz | JBL LIVE 660NC offer a larger frequency range than Poly Blackwire 325. |
| Sensitivity | - | 97 dB/mW | |
| Impedance | - | 32 Ohm | |
| Max Sound Pressure | - | 94 dB | |
| Diaphragm | - | 40 mm | |
| Features | SoundGuard Technology | Voice control, TalkThru technology, MultiPoint Technology, Ambient Aware, Google Fast Pair, Auto Play, Auto Pause, Speed Charge, Smart Ambient | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325 | JBL LIVE 660NC |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | - | Stereo | |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | - | -19 dBV/Pascal |
| REMOTE CONTROL | Poly Blackwire 325 | JBL LIVE 660NC |
|---|
| Controls | Mute, volume, answer/end | Voice assistant |
|---|
| CABLE | Poly Blackwire 325 | JBL LIVE 660NC |
|---|
| Cable Type | Headset cable - 2.13 m | USB-C charge cable - detachable Headphones cable - detachable |
|
|---|---|---|---|
| Cable Length | 2.13 m | - | |
| Detachable Cable | - | Yes |
| FEATURES | Poly Blackwire 325 | JBL LIVE 660NC |
|---|
| Intelligent Assistant | - | Google Assistant, Alexa | |
|---|---|---|---|
| Additional Functions | DSP | - |
| BATTERY AND CHARGING | Poly Blackwire 325 | JBL LIVE 660NC |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 750 mAh | |
| Battery Life | - | 50 hour(s) | |
| Battery Life Details | - | Continuous playback (active noise-cancelling on) (noise cancelling ON / Bluetooth): up to 40 hours Continuous playback (active noise-cancelling off) (noise cancelling OFF / Bluetooth): up to 50 hours |
|
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | Poly Blackwire 325 | JBL LIVE 660NC |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Poly Blackwire 325 | JBL LIVE 660NC |
|---|
| Included Accessories | - | Carrying case, USB-C charging cable | |
|---|---|---|---|
| Compatibility | - | Android phone | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 1 year |
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