Audinst HUD-mini Compact USB DAC with Dual Headphone Amp
UHA-4 Slimline USB DAC and Headphone Amplifier — Leckerton Audio
Amazon.com: HELM Audio Bolt DAC/AMP, USB-C Portable High-End DAC/Headphone Amplifier with MQA Playback. Mobile Studio Sound for Android, iOS and PC. USB-C to 3.5mm Audio, THX Certified : Electronics
iFi Audio micro iDSD Signature Desktop/portable USB DAC/preamp/headphone amplifier at Crutchfield
iFi Go Link review: A value-priced, audiophile USB DAC and amp | TechHive
HeadAmp Pico Portable Headphone Amplifier
Amazon.com: FiiO K3 Type-C USB DAC Headphone Amp : Electronics
Audirect Atom2 Lightning MQA Dac Amp Combo Review: Don't Listen To Apple Music Lossless Without It! - HIFI Trends
Usb C Dac Chip Headphone | Headphone Dac Amp Usb C | Usb C Dac Android - T01s Usb Dac - Aliexpress
Douk Audio Mini Usb Dac Dual Es9038q2m Digital To Analog Converter Coaxial / Optical D/a Audio Adapter Headphone Amp - Home Theater Amplifiers - AliExpress
Sound Blaster G3 Portable Plug-and-Play USB-C DAC Amp for PlayStation® 4, Nintendo Switch™ Gaming Consoles, PC, and Mac - Creative Labs (United States)