Moondrop Dawn 3.5mm / 4.4mm Dual CS43131 Full Balanced High-Performance Mini USB DAC / AMP — HiFiGo
Amazon.com: USB Type C to 4.4mm Balanced Female Portable HiFi Headphone Adapter 6N Single Crystal Silver Aux Audio Dongle Cable Cord to 4.4mm Jack Adapter for Android/Windows/MacOSX System Smartphone Laptop : Electronics
TANCHJIM SPACE 3.5/4.4mm Dual CS43131 Chip Portable USB DAC/AMP PCM 7