The Stax SRM-252S is a dedicated electrostatic headphone amplifier designed to be used with Stax electrostatic headphones. It includes a built-in power supply and is engineered to provide optimal performance for the associated headphone models. The SRM-252S features a compact design that makes it suitable for personal listening environments, while also ensuring high-quality audio reproduction. The amplifier operates using a high-voltage power supply, enabling it to deliver detailed sound across a wide frequency range, with a focus on clarity and precision. It has multiple input options, allowing for compatibility with various audio sources. With its solid build quality and user-friendly interface, the SRM-252S is designed for audiophiles who appreciate the nuances of electrostatic headphone technology.