Amazon.com: SHANLING UA2 Portable Headphone Amplifier,Headphone Tiny Amps,USB DAC Balanced High Resolution Support 32bit/768kHz and DSD512 Headphone Outputs 3.5mm/2.5mm for Phone/Player/Nintendo Switch/Laptop/PC : Electronics
Shanling UA2 Plus ES9038Q2M Dual RT6863 Balanced Portable USB DAC & AMP — HiFiGo
HiFimeDIY UAE23 USB DAC (Sabre ES9023) | Great sounding DAC
HiFimeDIY Tiny USB DAC - Hifime Audio
What is a USB DAC? | Cambridge Audio US
iFi ZEN DAC V2 Desktop USB DAC and headphone amplifier at Crutchfield
Amazon.com: LiNKFOR USB to SPDIF Coaxial RCA and 3.5mm Headphone Jack Converter USB DAC Optical Audio Adapter USB DAC PCM for Windows Mac PS4 PS3 : Electronics
Apogee Electronics Groove - 24-Bit 192 kHz USB DAC and GROOVE
Creative Sound Blaster G3 USB-C External Gaming USB DAC and Amp for PS4, Nintendo Switch, Ft. GameVoice Mix (Audio Balance for Game/Chat), Mic/Vol Control and Mobile App Control, Plug-and-Play - Newegg.com
Shanling Audio UA2 Portable USB DAC AMP Review: This $85 Dac Amp Combo Has Jaw-Dropping Power and Sound! - HIFI Trends
FiiO/JadeAudio KA1 MQA TypeC to 3.5mm Dongle USB DAC — HiFiGo
FiiO JadeAudio KA1 3.5mm Single-Ended Headphone amp USB DAC MQA 8X DSD 256 32bit/384kHz PCM for Android/iOS/Windows/Mac (Green,Lightning)
Sound Blaster PLAY! 4 - Portable Plug-and-play Hi-res USB DAC with Auto Mute and Two-way Noise Cancellation via SmartComms Kit for Conference Calls - Creative Labs (United States)
Best Portable USB DACs 2021: Comparison & Review - Moon Audio
Luxman DA-150 USB DAC – Alma Music and Audio
Astell&Kern HC3 USB DAC and Headphone Amplifier – Headphones.com