Up your game with JBL Quantum headset and dominate your opponents. Our Brands. Bluetooth version 4. Separate sound cards handle game and chat audio, allowing you to set the proper balance on the headset without having to leave the game. Ear Cup External Width cm 8. Audio Cable Length m 1. You'll never miss a bullet, a crunch in the gravel or a moan of the undead with the incredible sound clarity and powerful, intense bass. Stereo 3. Detachable Cable Yes. Enter Email Address.