Side by side comparison and review of Poly Blackwire 325 and JBL TUNE 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 TUNE 660NC |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - Bluetooth - wireless, wired | |
|---|---|---|---|
| Series | 300 Series | - | |
| Weight | - | 166 g | |
| Colour | - | Blue | Pink | White | Black | |
| Headband Material | Metal | - | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | Poly Blackwire 325 | JBL TUNE 660NC |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wired | Wireless, wired | |
| 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) | |
| Active Noise Cancelling | - | Yes | JBL TUNE 660NC are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Pure Bass | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | - | 100 dB | |
| Impedance | - | 32 Ohm | |
| Max Sound Pressure | - | 96 dB | |
| Diaphragm | - | 32 mm | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325 | JBL TUNE 660NC |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | - | -42 dBV/Pascal |
| REMOTE CONTROL | Poly Blackwire 325 | JBL TUNE 660NC |
|---|
| Controls | Mute, volume, answer/end | Volume, power on/off |
|---|
| CABLE | Poly Blackwire 325 | JBL TUNE 660NC |
|---|
| Cable Type | Headset cable - 2.13 m | Audio cable - detachable USB-C charge cable |
|
|---|---|---|---|
| Cable Length | 2.13 m | - |
| FEATURES | Poly Blackwire 325 | JBL TUNE 660NC |
|---|
| Additional Functions | DSP | - |
|---|
| BATTERY AND CHARGING | Poly Blackwire 325 | JBL TUNE 660NC |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 610 mAh | |
| Battery Life | - | 55 hour(s) | |
| Battery Life Details | - | Continuous playback (noise cancelling ON / Bluetooth): up to 44 hours Continuous playback (noise cancelling ON / cable connection): up to 35 hours Continuous playback (Bluetooth ON): up to 55 hours |
|
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | Poly Blackwire 325 | JBL TUNE 660NC |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
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|---|
| OTHERS | Poly Blackwire 325 | JBL TUNE 660NC |
|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 1 year |
|---|
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