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R1 Kit B Audio Interface All Star Link Controller USB Sound Card for Echolink IC | eBay
CP2615 USB Interface IC - Silicon Labs | Mouser
Decoder Board Module | Voltage Regulators/stabilizers - 5v Mini Pcm2704 Usb Power - Aliexpress
PCM270xC USB Stereo Audio DACs - TI | Mouser
USB Audio Adapter External Sound Card - USB Audio Adapters | StarTech.com
iMic USB and Pismo 500 MHz built-in
Work work work...: USB Audio Codec / soundcard Part 1
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