In depth comparison and review of JBL Quantum 300 and Alpha Bravo GX2. 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 GX2 |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - wired - USB | |
|---|---|---|---|
| Weight | 245 g | - | |
| Colour | Black | - | |
| Earpad Material | Memory foam | - | |
| Recommended Use | - | Game console, portable electronics, computer |
| SOUND QUALITY | JBL Quantum 300 | Alpha Bravo GX2 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | 7.1 Channel Virtual Surround Sound | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Max Input Power | 30 mW | - | |
| Sensitivity | 100 dB | 115 dB | Alpha Bravo GX2 have higher sensitivity than JBL Quantum 300. |
| Impedance | 32 Ohm | 20 Ohm | |
| Diaphragm | - | 50 mm | |
| Features | JBL Quantum SURROUND | - |
| MICROPHONE | JBL Quantum 300 | Alpha Bravo GX2 |
|---|
| Form Factor | Detachable headset microphone | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Noise Cancelling | - | Yes | Alpha Bravo GX2 microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | 50 - 10000 Hz | Alpha Bravo GX2 offer a larger microphone frequency range than JBL Quantum 300. |
| Sensitivity | -40 dB | -36 dB |
| CABLE | JBL Quantum 300 | Alpha Bravo GX2 |
|---|
| Cable Type | - | USB cable - 2 m | |
|---|---|---|---|
| Cable Length | - | 2 m |
| FEATURES | JBL Quantum 300 | Alpha Bravo GX2 |
|---|
| Additional Functions | - | LED backlight (blue) |
|---|
| CONNECTIONS | JBL Quantum 300 | Alpha Bravo GX2 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | USB (4 PIN USB Type A) |
|---|
| OTHERS | JBL Quantum 300 | Alpha Bravo GX2 |
|---|
| Included Accessories | USB adapter | - | |
|---|---|---|---|
| Service & Support | 1-year warranty | - |
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