Less Expensive HiFiMan Shangri-La SR Electrostatic Headphone Amplifier

The HIFIMAN Shangri-La Sr Electrostatic Headphone Amplifier is designed to drive and complement Shangri-La Sr electrostatic headphones. Its enclosure—constructed of an aviation-grade aluminum alloy and topped with a tempered glass panel—is adorned with four 6SN7 vacuum tubes and four custom-made 300B tubes, which deliver warm tone and consistent output power for the Shangri-La Sr headphones (available separately). The volume level is controlled via a 24-step attenuator with 23 separate resistors.A rear-panel switch allows easy selection of either stereo input—balanced XLR 3-pin or unbalanced RCA coaxial. The selected input is fed through the internal circuitry and externally mounted tubes to the two 5-pin female headphone outputs, allowing simultaneous connection of two pairs of Shangri-La Sr headphones.