The Stax SR-507 is an electrostatic headphone model that features a lightweight design aimed at providing an immersive listening experience. It utilizes a unique electrostatic driver technology, which is known for its ability to reproduce sound with high accuracy and clarity. The SR-507 is characterized by its comfortable ear pads and open-back design, which contributes to a natural soundstage. Designed for pairing with dedicated electrostatic amplifiers, the headphones are defined by their extended frequency response and low distortion levels. The headband and ear cups are constructed from high-quality materials to ensure both durability and aesthetic appeal. The model is often favored for critical listening, including classical and jazz genres, due to its detailed treble and deep bass performance.