Quantum 100 Wired Over-Ear Gaming Headset from JBL. Featuring a closed-back over-ear design and memory foam earpads, this headset is intended to keep you focused on the action while remaining comfortable. An adjustable and removable boom mic on the left earcup provides directional pickup, while controls facilitate hands-on adjustments. Internally, the headset features 40mm dynamic drivers, delivering a frequency range of 20 Hz to 20 kHz. Compatible with Windows Sonic Spatial Sound, the Quantum 100 is ready to rock with the surround sound system found on both Windows and Xbox One. The JBL Quantum 100 is also compatible with Mac, PlayStation, Nintendo Switch, and mobile platforms, including VR setups.