EarMen Design Best Portable DAC, Headphone Amp on The Planet. Balanced or Unbalanced, Battery Powered or Device Powered, Audiophile or Proffesional, DSD,DXD, PCM or MQA Yes we have it. Ti Burn Brown, ESS Sabre, XMoss, Amanero, Savitech We Are Using Best Technology For EarMen products. USB, S/P Diff, TOS Link or BT