FiiO KA11 Lightning to 3.5mm Audio Adapter 32bit/384KHz USB DAC Amp (Silver)

Topping D2 DAC/Headphone Amp - It power on - Not tested

Schitt Hel 2 Gaming Headphone Compact Audio Desktop DAC/amplifier USB Black Red

Topping Model Number # E30 DAC Preamp With Remote And Extras

Emotiva Stealth DC-1 DAC

SMSL SU-1 MQA Audio DAC AKM MQA-CD USB/OPT/COA

iFi Audio ZEN One Signature - Hi-Res Audio - Working

FiiO E10K Olympus 2 Micro USB DAC & Headphone Amplifier Amp Bass Boost