Benchmark ADC1 USB Analog-to-Digital Converter (ADC) - HomeTheaterHifi.com
USB C DAC-USB C Headphone Adapter-Portable 32 Bit Headphone Amplifier-Type C to 3.5mm Jack Adapter-Premium Sound Enhancer for Google Pixel 3 4XL Samsung Galaxy S20 Note 10 10+(USB Type C) : Everything
Korg DS-DAC-10R 1BIT USB-DAC/ADC Software Analog Convertor for sale online | eBay
Lusya CS5341 USB Sound Card 192K/24bit Recording And Playback ADC Sampling DAC Decoding Raspberry Pi Converter|Digital-to-Analog Converter| - AliExpress
Audio Measurements
DS-DAC-10R - 1BIT USB-DAC/ADC | KORG (USA)
KORG 1-Bit DAC/ADC; USB Audio I/O with Stereo Line and RIAA-Compliant Phono Ins for Futureproof Record Archival - GearclubDirect
PCM1808 ADC AUX 3.5 Stereo Single ended Analog Audio to I2S IIS Digital Output Board Coding|Instrument Parts & Accessories| - AliExpress
Fun Generation UA-202 a DAC, ADC, USB to SPDIF elec and phono preamp for 20€ | Audio Science Review (ASR) Forum
Usb Sound Card 192k/24bit Recording And Playback Adc Sampling Dac Decoding Free Drive Mobile Phone Raspberry Pi Converter - Air Conditioner Parts - AliExpress
Computer Audio Direct Firestone Audio Fubar I-o USB DAC / ADC in Silver - Computer Audio Direct