Cubilux USB to S/PDIF Transmitter, USB A to TOSLINK Output Adapter (Stereo Sound, Not for 7.1/5.1, NOT for TV), USB Optical Audio Converter Compatible with Windows Linux PC Laptop Computer electronics3 These are 10 separate circuits

These are 10 separate circuits but you can use the jumpers to make them in common

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Cubilux USB to S/PDIF Transmitter, USB A to TOSLINK Output Adapter (Stereo Sound, Not for 7.1/5.1, NOT for TV), USB Optical Audio Converter Compatible with Windows Linux PC Laptop Computer electronics3 These are 10 separate circuitsCubilux USB to S PDIF Transmitter, USB A to TOSLINK Output Adapter (Stereo Sound, Not for 7. 1 5. 1, NOT for TV), USB Optical Audio Converter Compatible with Windows Linux PC Laptop Computer Product Features [Output SPDIF Audio from USB Port] Cubilux USB SPDIF Adapter turns the USB port of your computer into a powerful source of high quality optical audio signal transmitter. Note: This device is designed for transmitting audio ONLY, NOT for receiving