The Quest 2 has Cesar's small speakers by default, which play 3D audio positionally on each arm of the headset, but which leak sound significantly into your external environment. AMVR sells in-ear headphones for under 20€ with custom mounts for the Oculus Quest 2.
Installation
For a much more immersive experience in the virtual world, simply plug your new headphones into the 3.5mm jack on the left side of the headset.
The brackets and cable length are adjusted to ensure that the video game experience is not disrupted.
The benefits
The headphones will block out more outside noise and provide better bass. You'll be ready to enjoy action games with explosions, sound effects that stimulate you right in your ears.