Side by side comparison and review of JBL TUNE 660NC and Poly Savi 8240-M D2. 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 | JBL TUNE 660NC | Poly Savi 8240-M D2 |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired | Headset | |
|---|---|---|---|
| Weight | 166 g | - | |
| Colour | Blue | Pink | White | Black | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | JBL TUNE 660NC | Poly Savi 8240-M D2 |
|---|
| Headphones Form Factor | On-ear | - | |
|---|---|---|---|
| Connectivity Technology | 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 | - | |
| Sound Effects | Pure Bass | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 100 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | 96 dB | - | |
| Diaphragm | 32 mm | - |
| MICROPHONE | JBL TUNE 660NC | Poly Savi 8240-M D2 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Sensitivity | -42 dBV/Pascal | - |
| REMOTE CONTROL | JBL TUNE 660NC | Poly Savi 8240-M D2 |
|---|
| Controls | Volume, power on/off | - |
|---|
| CABLE | JBL TUNE 660NC | Poly Savi 8240-M D2 |
|---|
| Cable Type | Audio cable - detachable USB-C charge cable |
- |
|---|
| BATTERY AND CHARGING | JBL TUNE 660NC | Poly Savi 8240-M D2 |
|---|
| 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) | - |
| OTHERS | JBL TUNE 660NC | Poly Savi 8240-M D2 |
|---|
| Service & Support | Limited warranty - 1 year | - |
|---|
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