Detailed comparison and review of JBL Everest 300 and Poly Blackwire 325. 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 Blackwire 325 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | 300 Series | |
| Height | 16.32 cm | - | |
| Width | 17.38 cm | - | |
| Depth | 7.08 cm | - | |
| Weight | 245 g | - | |
| Colour | Blue | Red | Black | White | - | |
| Headband Material | - | Metal | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | JBL Everest 300 | Poly Blackwire 325 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wired | |
| 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 | Stereo | |
| Frequency Response | 10 - 22000 Hz | 20 - 20000 Hz | JBL Everest 300 offer a larger frequency range than Poly Blackwire 325. |
| Max Input Power | 30 mW | - | |
| Sensitivity | 100 dB/mW | - | |
| Max Sound Pressure | 115 dB | - | |
| Diaphragm | 40 mm | - | |
| Features | - | SoundGuard Technology | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | JBL Everest 300 | Poly Blackwire 325 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | -42 dBV/Pascal | - |
| REMOTE CONTROL | JBL Everest 300 | Poly Blackwire 325 |
|---|
| Controls | - | Mute, volume, answer/end |
|---|
| CABLE | JBL Everest 300 | Poly Blackwire 325 |
|---|
| Cable Type | - detachable - detachable |
Headset cable - 2.13 m | |
|---|---|---|---|
| Cable Length | - | 2.13 m |
| FEATURES | JBL Everest 300 | Poly Blackwire 325 |
|---|
| Additional Functions | - | DSP |
|---|
| BATTERY AND CHARGING | JBL Everest 300 | Poly Blackwire 325 |
|---|
| 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 Blackwire 325 |
|---|
| Modulation Type | GFSK, 8-DPSK, DQPSK | - |
|---|
| CONNECTIONS | JBL Everest 300 | Poly Blackwire 325 |
|---|
| Connector Type | (mini-phone 3.5 mm 4-pole) | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
|---|
| OTHERS | JBL Everest 300 | Poly Blackwire 325 |
|---|
| Service & Support | Limited warranty - parts and labour - 1 year | Limited warranty - 2 years |
|---|
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