JBL Quantum 400 Gaming Headphone Review

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The JBL Quantum 400 headphones intended for all kinds of game consoles. You can use it on the Nintendo Switch, PlayStation 4, Xbox One (and also PlayStation 5 and Xbox Series X and Series S), PC, Mac, Android, and iOS. They are wired headphones that you connect to your console, computer, or controller (where the audio port is) via an audio cable. And otherwise, you can also use a USB-C cable, which is useful for smartphones. Fortunately, both cables are included, so you don’t have to think about that.

JBL Quantum 400 Gaming Headphone Review

Design & Build Quality

JBL Quantum 400 - Design

The JBL Quantum 400 has a distinctly gamer-oriented aesthetic. They look quite similar to the JBL Quantum 800 Wireless, with a customizable RGB lighting scheme when used with a USB connection and ear cups made of glossy plastic, which tends to show fingerprints. That said, their headband design is quite different, with a rubberized logo stamped into the top and audio cables discretely nestled on their inside surface. Overall, they aren’t very discrete or casual and look like gaming headphones.

The JBL Quantum 400 is fairly comfortable. They’re quite lightweight and lined with plush faux leather padding, so they shouldn’t be too fatiguing to wear even during long gaming sessions. They also don’t clamp your head very tightly, but they do offer a slightly more secure fit than the similar JBL Quantum 800 Wireless thanks to their revised headband design, so they shouldn’t fall off if you’re using them for their intended purpose.

The JBL Quantum 400 is mostly made of dense plastic that feels like it can endure a couple of drops and bumps without too much of an issue but doesn’t look especially premium. Their headband and ear cups are lined with decently plush faux leather padding, while their hinges feel sturdier than the similar JBL Quantum 800 Wireless.

Sound Quality

JBL Quantum 400 - Sound Quality

One of the most lucrative offerings of this headset is the JBL QuantumSurround experience. The JBL Quantum 400 created a virtual surround sound experience that offers solid directional imaging in games that feature tons of explosions and gunfire such as Valorant, CS: GO, and PUBG. Gamers will immediately ‘feel’ the difference when they turn on Surround Sound mode and pinpointing footsteps, gunfire, and other action sounds will become a rather simple and accurate affair. Note that you only get the QuantumSurround experience on a Windows PC and not other platforms.

When QuantumSurround is on, the audio no longer sounds like it’s just coming from the right or left, but rather all around you. You can also determine the distance between you and the audio cues and not just the direction, which is exceptionally useful in FPS games. DTS is a toned-down version of Surround Sound with an overall smaller soundstage and a tighter auditory experience. If you are not used to Surrounding Sound, you may find it a bit jarring in the beginning. So, we suggest you first familiarize your ears to DTS and then transition onto QuantumSurround.

Now, despite the enhanced spatial awareness and accurate directional and distance audio cues Surround Sound provides, both QuantumSurround and DTS sound a tad too artificial at times. Still, it is a solid first attempt from JBL and we cannot wait for a newer rendition that is slightly better tuned. Still, we prefer JBL’s QuantumSurround to the Super X-Fi on the Creative SXFI theatre, since it sounds more positionally accurate when gaming.
We also tried using QuantumSurround with music and films too, and we recommend that you listen to music with DTS and Surround turned off. However, when watching action films, the QuantumSurround adds an extra dimension of immersion and does a pretty good job at emanating sounds from accurate angles.

When it sounds to sound performance when listening to music, the JBL Quantum 400 leans towards a warm sound profile with commendable mids, soaring highs, but a slightly underwhelming bass response. There’s also no distortion in the music even at maximum volume levels, which is quite impressive. The lack of bass response, however, is a bit odd, seeing that JBL audio products are usually known for their punchy and impactful bass performance.

Microphone Quality

JBL Quantum 400

The JBL Quantum 400’s microphone recording quality is great. While your voice might sound a little thin, it’s also clear, detailed, and full-bodied, so you should be easily understood by your teammates on the other end.


These headphones come with a 1/8″ TRRS cable as well as a 10 ft USB-A to USB-C cable, which is handy for PS4 and PC users who sit a long way from their device. Their USB audio latency is quite low, so even competitive gamers shouldn’t notice a delay.

JBL Quantum 400

In conclusion, The JBL Quantum 400 gaming headset is a versatile, mid-range gaming headset packed with a plethora of features and customization options. If you’re a bass head, you may find the bass response slightly underwhelming, however, for the purpose of gaming, these headphones are a pretty great purchase with an immersive soundstage and stellar directional imaging.



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