Small and smaller: Two mobile USB-C DACs from Sharkoon tested - NotebookCheck.net Reviews
Amazon.com: Syba Sonic 24bit 96KHz USB DAC Stereo Headphone Amplifier 2 Stage EQ Digital/Coaxial Output and RCA Output SD-DAC63116 : Electronics
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
Amazon.com: Moukey Headphone Amplifier DAC -Coaxial/RCA/ 6.35mm,1/4'' Headphone Output( with 1/8" to 1/4" Adapter) for Phone/PC/Compuer,OLED Display Screen to Show 5-Segment EQ Adjustment- MPHA1 : Electronics
Creative Introduces High Performance Sound Blaster X5 USB DAC and Amplifier | audioXpress