Side by side comparison and review of JBL Quantum 910X and Poly EncorePro 320. 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 Quantum 910X | Poly EncorePro 320 |
|---|
| Product Type | Headset - Bluetooth / Wi-Fi - wireless | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | EncorePro 300 series | |
| Height | - | 6.7 cm | |
| Width | - | 11.1 cm | |
| Depth | - | 14.9 cm | |
| Weight | 420 g | 74 g | Poly EncorePro 320 are lighter than JBL Quantum 910X headphones. |
| Colour | Black | Black | |
| Earpad Material | Leather, memory foam | Artificial leather | |
| Recommended Use | Game console, computer | Computer |
| SOUND QUALITY | JBL Quantum 910X | Poly EncorePro 320 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | Yes | - | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth / Wi-Fi | - | |
| Bluetooth Version | Bluetooth 5.2 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP) | - | |
| Active Noise Cancelling | Yes | - | JBL Quantum 910X are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | DTS Headphone:X 2.0, QuantumSOUND Signature, QuantumSPATIAL 360 | - | |
| Frequency Response | 20 - 40000 Hz | 20 - 10000 Hz | JBL Quantum 910X offer a larger frequency range than Poly EncorePro 320. |
| Sensitivity | 113 dB | - | |
| Impedance | 32 Ohm | 32 Ohm | |
| Max Sound Pressure | 93 dB | - | |
| Diaphragm | 50 mm | 5.6 mm | JBL Quantum 910X have a thicker diaphragm than Poly EncorePro 320. |
| Magnet Material | Neodymium | - | |
| Features | - | SoundGuard DIGITAL Technology | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | JBL Quantum 910X | Poly EncorePro 320 |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Uni-directional | Omni-directional | |
| Noise Cancelling | Yes | Yes | The microphones on both headphones can cancel out ambient noise. |
| Noise Cancelling Technology | - | Passive noise cancellation (PNC) | |
| Frequency Response | 100 - 8000 Hz | 35 - 21000 Hz | Poly EncorePro 320 offer a larger microphone frequency range than JBL Quantum 910X. |
| Sensitivity | -38 dB | 40 dB | |
| Sensitivity Margin | - | +/- 3dB | |
| Signal-To-Noise Ratio | - | 53 dB | |
| Microphone Features | Echo-cancelling | - |
| REMOTE CONTROL | JBL Quantum 910X | Poly EncorePro 320 |
|---|
| Controls | Volume, microphone on/mute, microphone volume | Mute, volume, answer/end |
|---|
| CABLE | JBL Quantum 910X | Poly EncorePro 320 |
|---|
| Cable Type | USB-A to USB-C adapter USB charge cable Mini-phone 3.5 mm 3-pole cable |
Headset cable - 2.19 m | |
|---|---|---|---|
| Cable Length | - | 2.19 m |
| FEATURES | JBL Quantum 910X | Poly EncorePro 320 |
|---|
| Features | - | Boom mic length 135mm, 290° rotatable microphone | |
|---|---|---|---|
| Additional Functions | RGB lighting | - |
| BATTERY AND CHARGING | JBL Quantum 910X | Poly EncorePro 320 |
|---|
| Battery Type | Handset battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Capacity | 1300 mAh | - | |
| Battery Life | 37 hour(s) | - | |
| Battery Life Details | Continuous talk (Bluetooth / lighting OFF / ANC OFF): up to 46 hours Continuous playback (Bluetooth / lighting OFF / ANC OFF): up to 42 hours Continuous talk (2.4 GHz / lighting OFF / ANC OFF): up to 37 hours Continuous playback (2.4 GHz / lighting OFF / ANC OFF): up to 37 hours Continuous playback (2.4 GHz / Bluetooth / lighting OFF / ANC OFF): up to 34 hours Continuous talk (2.4 GHz / Bluetooth / lighting OFF / ANC OFF): up to 35 hours |
- | |
| Charging Time | 3.5 hour(s) | - |
| WIRELESS LINK | JBL Quantum 910X | Poly EncorePro 320 |
|---|
| Modulation Type | GFSK, 4-DQPSK | - | |
|---|---|---|---|
| Radio Frequency Range | 2.402 - 2.4835GHz | - |
| CONNECTIONS | JBL Quantum 910X | Poly EncorePro 320 |
|---|
| Connector Type | USB-C (power only) (24 pin USB-C) Headphones (mini-phone 3.5mm) |
USB (USB Type-A) |
|---|
| OTHERS | JBL Quantum 910X | Poly EncorePro 320 |
|---|
| Included Accessories | Wind shield, USB dongle, USB charging cable, calibration microphone, 3.5 mm audio cable | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | macOS, Windows | |
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - 2 years | - |
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