XMOS Multichannel high-quality USB to/from I2S/DSD SPDIF PCB
USB Audio Adapter External Sound Card - USB Audio Adapters | StarTech.com
miniDSP U-DIO8 Multichannel USB to AES-EBU or SPDIF interface – AudioStatus
miniDSP U-DIO8 Multichannel USB to AES-EBU or SPDIF interface – AudioStatus
USB 5.1 Multi-Channel Surround Sound Adapter With Optical Audio Input Output - Walmart.com
USB 5.1 Multi-Channel Surround Sound Adapter With Optical Audio Input Output - Walmart.com
USB Multi-Channel Sound Converter With 5.1 Channel Surround
USB Multi-Channel Sound Converter With 5.1 Channel Surround
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miniDSP U-DIO8 Multichannel USB to AES-EBU or SPDIF interface – AudioStatus
PHIREE U2SX USB to SPDIF Interface SA9023 OTG 24bit 96kHz Black - Audiophonics
C-MEDIA CM6206 5.1 USB Audio Sound Card Line-In & Line-Out Bass Extension Low Frequency Response Upgrade - TehnoBlog.org
HELP] Multi-Channel Audio Output from USB - Raspberry Pi Forums
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exaSound E68 Multichannel DAC – NativeDSD Gear
XMOS Multichannel high-quality USB to/from I2S/DSD SPDIF PCB
Amazon.com: StarTech.com USB Sound Card w/ SPDIF Digital Audio & Stereo Mic – External Sound Card for Laptop or PC – SPDIF Output (ICUSBAUDIO2D),Black 0.6" x 1.8" : Electronics