Side by side comparison and review of JBL LIVE 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 LIVE 660NC | Poly Savi 8240-M D2 |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headset | |
|---|---|---|---|
| Weight | 265 g | - | |
| Colour | Blue | White | Black | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | JBL LIVE 660NC | Poly Savi 8240-M D2 |
|---|
| Headphones Form Factor | Full size | - | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | Yes | - | |
| Connectivity Technology | 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 | - | |
| Sound Effects | Signature Sound | - | |
| Frequency Response | 16 - 20000 Hz | - | |
| Sensitivity | 97 dB/mW | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | 94 dB | - | |
| Diaphragm | 40 mm | - | |
| Features | Voice control, TalkThru technology, MultiPoint Technology, Ambient Aware, Google Fast Pair, Auto Play, Auto Pause, Speed Charge, Smart Ambient | - |
| MICROPHONE | JBL LIVE 660NC | Poly Savi 8240-M D2 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Microphone Operation Mode | Stereo | - | |
| Sensitivity | -19 dBV/Pascal | - |
| REMOTE CONTROL | JBL LIVE 660NC | Poly Savi 8240-M D2 |
|---|
| Controls | Voice assistant | - |
|---|
| CABLE | JBL LIVE 660NC | Poly Savi 8240-M D2 |
|---|
| Cable Type | USB-C charge cable - detachable Headphones cable - detachable |
- | |
|---|---|---|---|
| Detachable Cable | Yes | - |
| FEATURES | JBL LIVE 660NC | Poly Savi 8240-M D2 |
|---|
| Intelligent Assistant | Google Assistant, Alexa | - |
|---|
| BATTERY AND CHARGING | JBL LIVE 660NC | Poly Savi 8240-M D2 |
|---|
| 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 | JBL LIVE 660NC | Poly Savi 8240-M D2 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | JBL LIVE 660NC | Poly Savi 8240-M D2 |
|---|
| Included Accessories | Carrying case, USB-C charging cable | - | |
|---|---|---|---|
| Compatibility | Android phone | - | |
| Service & Support | Limited warranty - 1 year | - |
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