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Amazon.com: HELM Audio Bolt DAC/AMP, USB-C Portable High-End DAC/Headphone Amplifier with MQA Playback. Mobile Studio Sound for Android, iOS and PC. USB-C to 3.5mm Audio, THX Certified : Electronics
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BeyerDynamic Amiron Home Tesla High-End Audiophile Stereo Headphones - 250 OHM (717525) with FiiO USB DAC and Headphone Amplifier, FiiO Professional 3.5mm-to-3.5mm Straight Stereo Audio Cable - Walmart.com
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