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radius RK-DA60C Portable Headphone Amplifier: USB Type-C USB-C Type C 32bit / 384kHz High Resolution Ultra Small DAC DAC Amplifier 3.5mm Earphone Earphone Type-A Conversion Included RK-DA60CK - Walmart.com
iFi Audio hip-dac 3 Portable USB DAC and Headphone Amplifier | Audio Advice
Portable Rechargeable Headphone Amplifier for PC & Players
Amazon.com: FiiO K3 DSD256 | 384K/32Bit USB-C DAC and Headphone Amplifier for Home and Computer(3.5mm Single Ended/2.5mm Balanced/Coaxial and Optical Digital Outs) (K3 Titanium) : Electronics
Amazon.com: CUIFATI Type C to 3.5mm Headphone Amplifier Adapter, Cs43131 High Performance Chip, Can Be Connected to Your for Android Phone Via USB‑c. Connect Your Pc, Laptop Directly or Via a USB
iFi Audio GO bar Ultraportable USB DAC/Amp | HeadAmp
Lehmannaudio Linear USB II USB/DAC Headphone Amp | Hi-Fi News
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Apogee Electronics Groove - 24-Bit 192 kHz USB DAC and GROOVE
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Zoom ZHA-4 Handy Headphone Amplifier ZHA-4 B&H Photo Video