In depth comparison and review of JBL Quantum 300 and Poly SupraPlus NC. 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 300 | Poly SupraPlus NC |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset | |
|---|---|---|---|
| Weight | 245 g | - | |
| Colour | Black | - | |
| Earpad Material | Memory foam | - |
| SOUND QUALITY | JBL Quantum 300 | Poly SupraPlus NC |
|---|
| Headphones Form Factor | Full size | - | |
|---|---|---|---|
| Connectivity Technology | Wired | - | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Max Input Power | 30 mW | - | |
| Sensitivity | 100 dB | - | |
| Impedance | 32 Ohm | - | |
| Features | JBL Quantum SURROUND | - |
| MICROPHONE | JBL Quantum 300 | Poly SupraPlus NC |
|---|
| Form Factor | Detachable headset microphone | - | |
|---|---|---|---|
| Type | Boom | - | |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | -40 dB | - |
| CONNECTIONS | JBL Quantum 300 | Poly SupraPlus NC |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | JBL Quantum 300 | Poly SupraPlus NC |
|---|
| Included Accessories | USB adapter | Monitor receiver | |
|---|---|---|---|
| TAA Compliant | - | Yes | |
| Service & Support | 1-year warranty | - |
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