In depth comparison and review of JBL Quantum 350 Wireless and Poly EncorePro 320. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | JBL Quantum 350 Wireless | Poly EncorePro 320 |
|---|
| Product Type | Headset - 2.4 GHz - wireless, wired | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | EncorePro 300 series | |
| Height | 20 cm | 6.7 cm | |
| Width | 16 cm | 11.1 cm | |
| Depth | 9.3 cm | 14.9 cm | |
| Weight | 252 g | 74 g | Poly EncorePro 320 are lighter than JBL Quantum 350 Wireless headphones. |
| Colour | Black | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Game console, computer | Computer |
| SOUND QUALITY | JBL Quantum 350 Wireless | Poly EncorePro 320 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless, wired | Wired | |
| Wireless Technology | 2.4 GHz radio frequency | - | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | QuantumSOUND Signature | - | |
| Frequency Response | 20 - 20000 Hz | 20 - 10000 Hz | JBL Quantum 350 Wireless offer a larger frequency range than Poly EncorePro 320. |
| Sensitivity | 115 dB | - | |
| Impedance | 32 Ohm | 32 Ohm | |
| Max Sound Pressure | 93 dB | - | |
| Diaphragm | 40 mm | 5.6 mm | JBL Quantum 350 Wireless have a thicker diaphragm than Poly EncorePro 320. |
| Features | - | SoundGuard DIGITAL Technology | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | JBL Quantum 350 Wireless | Poly EncorePro 320 |
|---|
| Form Factor | Detachable headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Omni-directional | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 320 microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Passive noise cancellation (PNC) | |
| Frequency Response | 100 - 10000 Hz | 35 - 21000 Hz | Poly EncorePro 320 offer a larger microphone frequency range than JBL Quantum 350 Wireless. |
| Sensitivity | -42 dBV/Pascal | 40 dB | |
| Sensitivity Margin | - | +/- 3dB | |
| Signal-To-Noise Ratio | - | 53 dB |
| REMOTE CONTROL | JBL Quantum 350 Wireless | Poly EncorePro 320 |
|---|
| Controls | Volume, microphone on/mute | Mute, volume, answer/end |
|---|
| CABLE | JBL Quantum 350 Wireless | Poly EncorePro 320 |
|---|
| Cable Type | Audio / USB adapter USB-C to USB-A cable - 1 m |
Headset cable - 2.19 m | |
|---|---|---|---|
| Cable Length | 1 m | 2.19 m |
| FEATURES | JBL Quantum 350 Wireless | Poly EncorePro 320 |
|---|
| Features | - | Boom mic length 135mm, 290° rotatable microphone |
|---|
| BATTERY AND CHARGING | JBL Quantum 350 Wireless | Poly EncorePro 320 |
|---|
| Battery Type | Handset battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Capacity | 500 mAh | - | |
| Battery Life | 22 hour(s) | - | |
| Charging Time | 2 hour(s) | - |
| WIRELESS LINK | JBL Quantum 350 Wireless | Poly EncorePro 320 |
|---|
| Modulation Type | GFSK | - |
|---|
| CONNECTIONS | JBL Quantum 350 Wireless | Poly EncorePro 320 |
|---|
| Connector Type | - | USB (USB Type-A) |
|---|
| OTHERS | JBL Quantum 350 Wireless | Poly EncorePro 320 |
|---|
| Included Accessories | Wind shield, USB dongle | - | |
|---|---|---|---|
| Software Included | JBL Quantum Engine | - | |
| Compatibility | - | Mac, Windows | |
| Software Certification | Discord Certified | Certified for Microsoft Teams | |
| Supported Host Device OS | - | macOS, Windows | |
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - 2 years | - |
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