Archimago's Musings: REVIEW: iFi GO Bar - Portable DAC / Headphone Amp (Cirrus Logic DAC, Balanced & Unbalanced).
Amazon.com: THX Onyx Portable DAC Headphone Amplifier: High Resolution Audio DAC for Smartphone/PC/Home Audio - THX AAA - MQA Renderer - Direct Stream Digital (DSD) - ES9281PRO DAC - Magnetic Cable Management : Electronics
Best Portable Headphone DAC/Amps 2022 | Bloom Audio
iFi iDSD Diablo Portable DAC/Amp – Apos 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
Sony PHA-3 Portable headphone amplifier/DAC at Crutchfield
iFi Audio Hip DAC V2 Portable DAC & Amp with MQA Decode – Headphones.com
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)
Best Portable USB DACs 2021: Comparison & Review - Moon Audio
The Best Portable DAC Headphone Amp for 2023 - National Today
iFi Audio Hip DAC V2 Portable DAC & Amp with MQA Decode – Headphones.com
The Best Portable DAC Dongles For Android - Major HiFi