Stax SRM D10

STAX SRM-D10 Battery-Powered Electrostatic Headphone Amp/DAC

The SRM-D10 is the world's first compact electrostatic amp/DAC. Now, you can enjoy the freedom of using all modern Stax electrostatic headphones (PRO bias) anywhere you go. The built-in high-resolution DAC is capable playing up to DSD128 files.