Hi Fi/Home Theatre & Portable Audio


  • The HELM BOLT – Mobile Studio Quality USB DAC/AMP with MQA
  • Raising the Bar in Your Audio Quality. Now Accessible on Your SmartPhone.
  • Plug & Play on Your Favorite Mobile Device for Incredible Studio Quality Audio
  • THX Certified – Plays All Music Files: MP3 to MQA and Hi-Res
  • MQA Stream Unfolding and HD Support on the Top Hi-Rez Streaming Services
  • Industry Acclaimed Design & Technology Delivers the Purist Audio Signal
  • Works with Android, iOS, MacOS and Windows 10 *iOS requires a Lightning to USB Camera Adapter
  • Ultra-Low Harmonic Crosstalk & Reduced Crossover Distortion
  • Exclusive 3 Oscillator Design & Impedance Matching
  • USB-C Input and 3.5mm Headphone Output
  • LED: Blue SD Audio <= 48kHz – Red HD Audio > 48kHz – Magenta For MQA 

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