FiiO E10K TC Hi Res Portable USB DAC & Headphone Amplifier PCM5102 32bit/384kHz Type C connector Headphone/Coaxial/Line output|Headphone Amplifier| - AliExpress
FiiO - FiiO's All-new Headphone Amplifier & USB-C DAC K3 is Now Available! (Give out 2 free K3s: share this post to win!) FiiO was initially known to the worldwide market mainly
Antlion Audio ModMic Uni Microphone for Windows Mac with FiiO E10K USB DAC, Blucoil Y Splitter Cable - Walmart.com
FiiO E10K-TC and K3 USB DAC Headphone Amplifiers Review: Small and Mighty! - ecoustics.com