In depth comparison and review of JBL Quantum 300 and Alpha Bravo GX1. 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 | Alpha Bravo GX1 |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Weight | 245 g | - | |
| Colour | Black | - | |
| Earpad Material | Memory foam | - | |
| Recommended Use | - | Game console, portable electronics, computer |
| SOUND QUALITY | JBL Quantum 300 | Alpha Bravo GX1 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Max Input Power | 30 mW | - | |
| Sensitivity | 100 dB | 116 dB | Alpha Bravo GX1 have higher sensitivity than JBL Quantum 300. |
| Impedance | 32 Ohm | 16 Ohm | |
| Diaphragm | - | 50 mm | |
| Features | JBL Quantum SURROUND | - | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | JBL Quantum 300 | Alpha Bravo GX1 |
|---|
| Form Factor | Detachable headset microphone | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Noise Cancelling | - | Yes | Alpha Bravo GX1 microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | -40 dB | -36 dB |
| CABLE | JBL Quantum 300 | Alpha Bravo GX1 |
|---|
| Cable Type | - | USB cable |
|---|
| FEATURES | JBL Quantum 300 | Alpha Bravo GX1 |
|---|
| Additional Functions | - | LED backlight (blue) |
|---|
| CONNECTIONS | JBL Quantum 300 | Alpha Bravo GX1 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | USB (4 PIN USB Type A) |
|---|
| OTHERS | JBL Quantum 300 | Alpha Bravo GX1 |
|---|
| Included Accessories | USB adapter | 3.5 mm to USB adapter | |
|---|---|---|---|
| Service & Support | 1-year warranty | - |
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