Detailed comparison and review of JBL Everest 300 and Poly SupraPlus NC. 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 | JBL Everest 300 | Poly SupraPlus NC |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset | |
|---|---|---|---|
| Height | 16.32 cm | - | |
| Width | 17.38 cm | - | |
| Depth | 7.08 cm | - | |
| Weight | 245 g | - | |
| Colour | Blue | Red | Black | White | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | JBL Everest 300 | Poly SupraPlus NC |
|---|
| Headphones Form Factor | On-ear | - | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | - | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 10 - 22000 Hz | - | |
| Max Input Power | 30 mW | - | |
| Sensitivity | 100 dB/mW | - | |
| Max Sound Pressure | 115 dB | - | |
| Diaphragm | 40 mm | - |
| MICROPHONE | JBL Everest 300 | Poly SupraPlus NC |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Sensitivity | -42 dBV/Pascal | - |
| CABLE | JBL Everest 300 | Poly SupraPlus NC |
|---|
| Cable Type | - detachable - detachable |
- |
|---|
| BATTERY AND CHARGING | JBL Everest 300 | Poly SupraPlus NC |
|---|
| Battery Type | Rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 610 mAh | - | |
| Battery Life | 20 hour(s) | - | |
| Charging Time | 2.5 hour(s) | - |
| WIRELESS LINK | JBL Everest 300 | Poly SupraPlus NC |
|---|
| Modulation Type | GFSK, 8-DPSK, DQPSK | - |
|---|
| CONNECTIONS | JBL Everest 300 | Poly SupraPlus NC |
|---|
| Connector Type | (mini-phone 3.5 mm 4-pole) | - |
|---|
| OTHERS | JBL Everest 300 | Poly SupraPlus NC |
|---|
| Included Accessories | - | Monitor receiver | |
|---|---|---|---|
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - parts and labour - 1 year | - |
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