Recently, JBL – a giant in the global audio industry, introduced its gaming headset lineup including the Quantum 200, 300, and 400, marking a very fresh move.
Today, we would like to review the JBL Quantum 400, which is the highest-end model in this new trio of gaming headphones.
From the packaging alone, we can clearly see the premium nature of the JBL Quantum 400, along with its distinctly futuristic style, commonly seen in games or movies set in the future, such as Cyberpunk, for example.


The accessories of the JBL Quantum 400 are relatively simple and cater to basic needs, featuring a USB A – C cable for PC gamers and a traditional 3.5mm jack for console or mobile players.

The overall design of the JBL Quantum 400 truly embodies cyberpunk aesthetics, appealing to any gamer at first glance. It is simple and modern without being overly complicated.


From the headset frame to the ear cups, they have a very unique shape that exudes a distinct modernity. Notably, the JBL logo and the diagonal cut create a unique highlight that is unmistakable. Inside, there are indicators for left and right to avoid confusion.

The joints are designed thoughtfully, allowing gamers to wear the headset comfortably and snugly. Coupled with the lightweight plastic frame and soft foam padding, you can game all day without discomfort. Of course, the leather-covered ear cushions may feel a bit hot in summer, but they are still great if you’re in an air-conditioned room!
When you plug the JBL Quantum 400 into your device, you’ll be even more delighted with the unique RGB LED lighting of this headset. The default colors are blue and purple with a special ‘breathing’ effect, perfectly matching the ‘cyberpunk’ style throughout the design.

The JBL Quantum 400 comes with a convenient built-in microphone, which automatically mutes when you lift it, and you can simply lower it to use. Additionally, there is also a microphone mute button located under the two volume knobs on the ear cup.


After admiring its alluring futuristic exterior, you will be even more ‘blown away’ by the quality that the JBL Quantum 400 delivers. It truly lives up to its reputation as a major player in the audio industry, showcasing an impressive performance.
The music experience that the JBL Quantum 400 provides is truly superior compared to most gaming headsets on the market. The wide soundstage, rounded sound imaging, and high detail are the most noticeable strengths of the product.
Moreover, the high, mid, and low frequencies are all excellently represented, with no signs of ‘ear-piercing’ or ‘muffled’ sounds. Particularly, the solid bass ensures that EDM tracks or rock and hip-hop songs sound amazing. Overall, the JBL Quantum 400 delivers truly outstanding audio quality.

Perhaps many people will have more questions about the gaming performance of the JBL Quantum 400 than about its sound quality when listening to music. Simply because JBL is already very famous, and the accuracy in immersing yourself in the virtual world is what attracts gamers.
Through testing with PUBG and CS:GO, two FPS games that demand precision and spatial sound reproduction, the JBL Quantum 400 did not disappoint the testers. The clear footsteps help gamers count the number of enemies approaching. The sounds of combat, where the enemies are, and what weapons they are using are all clearly represented.
Another aspect that I found particularly enjoyable about the JBL Quantum 400 is the software system, which still carries the futuristic characteristics similar to its external design.

Here, gamers can easily tweak audio effects, adjusting them to suit their ears best. Furthermore, you can also change the colors and effects of the RGB lights.
In conclusion, the JBL Quantum 400 is truly a breath of fresh air in the gaming headset market. This is a headset with perfect design and quality that any gamer would find exciting. Of course, the price is not cheap (around 2.5 million VND in Vietnam), but it will not disappoint you at all!