TEAC HA-P50 Portable headphone amplifier/USB DAC at Crutchfield
Fostex HP-A4 24-Bit USB DAC Headphone Amplifier HP-A4 B&H Photo
Sony UDA-1 USB DAC Stereo Amplifier Review - HomeTheaterHifi.com
AudioQuest - DragonFly Cobalt USB DAC/Headphone Amplifier with Apple Lightning to USB 3 Camera Kit - Music Direct
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
LiNKFOR USB DAC and Headphone Amplifier – LiNKFOR Store
FiiO K9 Pro ESS Desktop USB DAC and Headphone K9 PRO ESS B&H
FiiO JadeAudio KA1 USB DAC AMP Adapter MQA TYPE-C/Ligthning to 3.5mm Audio Cable ES9281AC Pro Chip PCM 384kHz DSD256 Android iOS _ - AliExpress Mobile
Amazon.com: JadeAudio KA2 4.4mm Balanced Headphone Amps USB DAC DSD256 32bit/384kHz PCM for Android/iOS/Windows/Mac (Lightning,Black) : Electronics
FiiO USB Type-C DAC and Headphone Amplifier E10K-TC B&H Photo
Amazon.com: Syba USB 24 Bit 96 KHz DAC Digital to Analog Headphone Amplifier 2 Stage EQ Digital/Coaxial Output and RCA Output (SD-DAC63118) : Industrial & Scientific
Portable Headphone Amp | USB DAC Headphone Amplifier | PHA-3 | Sony Taiwan
iFi Audio hip-dac2 Portable USB DAC and headphone amplifier at Crutchfield
Sound Blaster G3 Portable Plug-and-Play USB-C DAC Amp for PlayStation® 4, Nintendo Switch™ Gaming Consoles, PC, and Mac - Creative Labs (Pan Euro)
Fosi Audio K5 Pro Gaming DAC Headphone Amplifier Mini Hi-Fi Stereo Digital-to-Analog Audio Converter USB Type C/Optical/Coaxial to RCA/3.5MM AUX for PS5/PC/MAC/Computer - Walmart.com
FiiO K7 Desktop USB DAC and Headphone Amplifier (Black) K7 B&H
Lehmannaudio Linear USB II USB/DAC Headphone Amp | Hi-Fi News