Whether you're a performer, producer, or podcast host, your creative work should be delivered to your ears with clarity, precision, and safety in mind. SoL are powered by 6 high-end drivers in each ear. Adding ADEL Technology to your custom InEarz will significantly reduce the chance of ear fatigue by acting as a secondary ear drum; absorbing and releasing the pressure caused by sound being sealed in the ear canal. This patented membrane design allows your ear drum to relax, and that's what makes InEarz the safest IEM in the world!