Fosi Audio Q4 Headphone Amplifier Mini Stereo DAC 24-Bit 192 KHz USB for Speaker | eBay
xDuoo Link2 Bal Max Portable USB DAC & Balanced Headphone Amp — HiFiGo
iFi Zen DAC V2 - USB DAC/Headphone Amplifier | ListenUp
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
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Apogee Electronics Groove - 24-Bit 192 kHz USB DAC and GROOVE
Apogee Groove USB DAC and Headphone Amp | Sweetwater
HiFi Class A Headphone Amplifier USB DAC Audio Decoder Amp for Android Iphone PC | eBay
TEAC UD-701N Network Audio Player USB DAC Headphone Amp/PreAmp
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AudioQuest Dragonfly Cobalt USB DAC + Headphone Amp – Headphones.com
IFI AUDIO UNO USB DAC Headphone Amplifier 32bit 384kHz DSD256 MQA - Audiophonics
Portable Headphones Amplifier | Dongle Dac Amplifier Type C | Headphone Amplifiers Usb - Headphone Amplifier - Aliexpress