Helm Audio Bolt DAC/AMP review: An astounding ultra-compact converter and amplifier for your headphones

Outstanding audio performance; broad format compatibility, including MQA; excellent build quality; and a $99 price tag make this headphone accessory a no-brainer.
Helm Audio Bolt DAC/AMP
Theo Nicolakis / IDG

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  • Headphones
  • Home Audio
  • Consumer Electronics
  • Music