The Stax SR-003 is an electrostatic headphone model designed for audiophiles seeking a unique listening experience. With a lightweight and compact design, these headphones are suitable for portable use while still delivering high-quality sound. The SR-003 utilizes electrostatic technology, which employs thin membranes positioned between two electrodes to produce sound, resulting in exceptional clarity and detail across the frequency range. These headphones are known for their spacious soundstage and precise imaging, providing listeners with an immersive audio experience. The SR-003 pairs well with Stax's portable amplifiers, enhancing their performance even further. They feature a detachable cable, allowing for easy replacement in case of wear and tear. Their impedance is typically rated at 145 kΩ, making them compatible with a range of Stax energizers designed for electrostatic headphones. The Stax SR-003 is often chosen for its ability to reproduce vocals and acoustic instruments with a natural timbre, making them a popular choice among those who appreciate fidelity in music reproduction.