Amazon.com: Fosi Audio Q4 Headphone Amplifier Mini Stereo DAC 24-Bit 192 KHz USB Optical Coaxial to RCA AUX Digital-to-Analog Audio Converter Adapter for Home Desktop Powered Active Speakers : Electronics
H-DAC – High performance 192 kHz / 24-bit DAC with addon options - nihtila.com
24-Bit 192KHz PCM1793 DAC with DIR9001 Receiver and OPA2134 OPAMP
HIFI Audio ES9028Q2M SA9023 USB DAC Decoder Board External Sound Card Support 24Bit for Amplifier - Walmart.com