Creative Sound Blaster G3 USB-C External Gaming USB DAC and Amp for PS4, Nintendo Switch, Ft. GameVoice Mix (Audio Balance for Game/Chat), Mic/Vol Control and Mobile App Control, Plug-and-Play - Newegg.com
FiiO JadeAudio KA2 4.4mm Balanced Headphone Amps USB DAC DSD256 32bit/384kHz PCM for Android/
Hifime UAE23HD with Sabre 9018 USB DAC, Preamp, Headphone amp
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AudioQuest - DragonFly Cobalt USB DAC/Headphone Amplifier with Apple Lightning to USB 3 Camera Kit - Music Direct
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Shanling Audio UA2 Portable USB DAC AMP Review: This $85 Dac Amp Combo Has Jaw-Dropping Power and Sound! - HIFI Trends