The Stax SR-003MK2 is a model of electrostatic ear speakers designed for portable use. It is characterized by its lightweight construction, making it suitable for on-the-go listening. The SR-003MK2 features a slim and ergonomic design that fits comfortably over the ears, delivering high-frequency clarity and a wide soundstage typical of electrostatic technology. The headphones are paired with a special driver unit that allows them to reproduce a range of frequencies accurately, from deep bass to sparkling highs. They are designed to connect to a dedicated amplifier, often referred to as a driver unit for electrostatic headphones, which is required to power the electrostatic drivers effectively. The SR-003MK2 is compatible with the Stax SRM-252S driver, enhancing its performance and sound quality. The user experience is further enhanced by the incorporation of a detachable cable, allowing for easier handling and storage. The build quality is solid, with a focus on providing a durable yet lightweight structure for prolonged use. Overall, the Stax SR-003MK2 is tailored for audiophiles seeking a portable and high-performance listening solution.