Archimago's Musings: REVIEW: iFi GO Bar - Portable DAC / Headphone Amp (Cirrus Logic DAC, Balanced & Unbalanced).
iFi audio GO blu Portable Bluetooth DAC and Headphone Amp 312003
Chord Mojo 2 Portable DAC Headphone Amplifier
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
Shanling Em5 Android Desktop Digital Music Player Streaming Dac Amp Headphone Amplifier Ak4493 Chip Mqa Pcm384 Dsd512 Software - Desktop Digital Music Player - AliExpress
XDUOO XD05 Pro ES9039SPRO Portable DAC & Headphone Amplifier
DAC/AMP Combo Recommendations - Headfonia Reviews
XDUOO LINK2 BAL USB DAC & Headphone amp – The HiFi Cat