The Stax SRS-005S Mk2 is an electrostatic headphone system that combines the Stax SR-003 electrostatic headphones with a dedicated driver unit. This system is designed to deliver exceptional audio fidelity, characterized by its wide frequency response and low distortion. The headphones feature a lightweight design for comfort during extended listening sessions, while the driver unit provides the necessary high-voltage signals needed for optimal performance of electrostatic headphones. The Stax SRS-005S Mk2 is known for its smooth and detailed sound reproduction, making it a preferred choice for audiophiles who appreciate the nuances in their music. Specifications typically include a frequency response range of 10 Hz to 40 kHz, impedance of around 145 kOhms, and a maximum input power of about 100 mW. The system is often praised for its clarity and spatial imaging.