Side by side comparison and review of JBL Quantum 400 and Alpha Bravo GX2. 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 400 | Alpha Bravo GX2 |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - wired - USB | |
|---|---|---|---|
| Weight | 274 g | - | |
| Colour | Black | - | |
| Earpad Material | Memory foam | - | |
| Recommended Use | - | Game console, portable electronics, computer |
| SOUND QUALITY | JBL Quantum 400 | Alpha Bravo GX2 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Built-in Decoders | DTS | - | |
| 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 | 98 dB | 115 dB | Alpha Bravo GX2 have higher sensitivity than JBL Quantum 400. |
| Impedance | 32 Ohm | 20 Ohm | |
| Diaphragm | - | 50 mm | |
| Features | JBL Quantum SURROUND | - |
| MICROPHONE | JBL Quantum 400 | 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 | 10 - 10000 Hz | 50 - 10000 Hz | JBL Quantum 400 offer a larger microphone frequency range than Alpha Bravo GX2. |
| Sensitivity | -40 dB | -36 dB |
| CABLE | JBL Quantum 400 | Alpha Bravo GX2 |
|---|
| Cable Type | - | USB cable - 2 m | |
|---|---|---|---|
| Cable Length | - | 2 m |
| FEATURES | JBL Quantum 400 | Alpha Bravo GX2 |
|---|
| Additional Functions | - | LED backlight (blue) |
|---|
| CONNECTIONS | JBL Quantum 400 | Alpha Bravo GX2 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | USB (4 PIN USB Type A) |
|---|
| OTHERS | JBL Quantum 400 | Alpha Bravo GX2 |
|---|
| Software Included | JBL Quantum Engine | - | |
|---|---|---|---|
| Service & Support | 1-year warranty | - |
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