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iFi Audio hip-dac2 Portable USB DAC and headphone amplifier at Crutchfield
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The 3 Best Portable Headphone Amps With Built-In DAC of 2023 | Reviews by Wirecutter
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AudioQuest - DragonFly Black USB DAC/Headphone Amplifier - Music Direct
iFi Audio GO Bar Portable USB DAC & Headphone Amplifier – Headphones.com
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D1 PORTABLE DESKTOP DAC AND HEADPHONE AMPLIFIER (GEN 2) — Audioengine
