In depth comparison and review of JBL Quantum 350 Wireless and Poly EncorePro 720D. 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 720D |
|---|
| Product Type | Headset - 2.4 GHz - wireless, wired | Headset - wired - USB-A | |
|---|---|---|---|
| Series | - | EncorePro 700 Series | |
| Height | 20 cm | - | |
| Width | 16 cm | - | |
| Depth | 9.3 cm | - | |
| Weight | 252 g | 78 g | Poly EncorePro 720D are lighter than JBL Quantum 350 Wireless headphones. |
| Colour | Black | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Game console, computer | - |
| SOUND QUALITY | JBL Quantum 350 Wireless | Poly EncorePro 720D |
|---|
| Headphones Form Factor | Full size | On-ear binaural | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless, wired | Wired | |
| Wireless Technology | 2.4 GHz radio frequency | - | |
| Sound Output Mode | Stereo | - | |
| Sound Effects | QuantumSOUND Signature | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 115 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | 93 dB | - | |
| Diaphragm | 40 mm | 28 mm | JBL Quantum 350 Wireless have a thicker diaphragm than Poly EncorePro 720D. |
| Features | - | SoundGuard Technology |
| MICROPHONE | JBL Quantum 350 Wireless | Poly EncorePro 720D |
|---|
| Form Factor | Detachable headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Omni-directional | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 720D microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Passive noise cancellation (PNC) | |
| Frequency Response | 100 - 10000 Hz | 100 - 6800 Hz | JBL Quantum 350 Wireless offer a larger microphone frequency range than Poly EncorePro 720D. |
| Sensitivity | -42 dBV/Pascal | - |
| REMOTE CONTROL | JBL Quantum 350 Wireless | Poly EncorePro 720D |
|---|
| Controls | Volume, microphone on/mute | - |
|---|
| CABLE | JBL Quantum 350 Wireless | Poly EncorePro 720D |
|---|
| Cable Type | Audio / USB adapter USB-C to USB-A cable - 1 m |
- | |
|---|---|---|---|
| Cable Length | 1 m | 89 cm |
| FEATURES | JBL Quantum 350 Wireless | Poly EncorePro 720D |
|---|
| Features | - | Quick Disconnect, 290° rotatable microphone, boom mic length 120-145 mm |
|---|
| BATTERY AND CHARGING | JBL Quantum 350 Wireless | Poly EncorePro 720D |
|---|
| 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 720D |
|---|
| Modulation Type | GFSK | - |
|---|
| CONNECTIONS | JBL Quantum 350 Wireless | Poly EncorePro 720D |
|---|
| Connector Type | - | USB (USB Type-A) |
|---|
| OTHERS | JBL Quantum 350 Wireless | Poly EncorePro 720D |
|---|
| Included Accessories | Wind shield, USB dongle | - | |
|---|---|---|---|
| Software Included | JBL Quantum Engine | - | |
| Software Certification | Discord Certified | - | |
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - 2 years | - |
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