Amazon.com: PreSonus Studio 1810c USB-C Audio Interface 18-in/8-out with 4 Xmax Preamps, ADAT I/O, S/PDIF I/O, MIDI I/O, DSP Monitor Mixer with Gravity Magnet Phone Holder and Pair EMB XLR Cables Bundle :
FP-SPR1 ‐ SPDIF Repeater / Amplifier
LiNKFOR 2 Port SPDIF Toslink Optical Digital Audio Splitter – LiNKFOR Store
RME Digiface AES USB Audio Interface with AES/SPDIF/ADAT/Analog I/O - Vintage King
Need something to mix digital audio signals together or digital and analog mix with SPDIF out - Audio Hardware & Software - Level1Techs Forums
If you have an interface with SPDIF in/out, I highly recommend finding an older rack effects unit to utilize them. Picked this bad boy up for $150 and it sounds gorgeous. :
SONIFEX RB-DMX4 MIXER AND ROUTER Digital audio, 4x4 matrix, AES, S/PDIF, Toslink in, out, 1U
Best Optical/TOSLINK Out (S/PDIF) Digital Live & Studio Mixers | eBay
midiman SAM 24 Bit SPDIF / ADAT Mixer & Format Converter | Reverb
Amazon.com: Pyle Professional Audio Mixer Sound Board Console - Desk System Interface with 6 Channel, USB, Bluetooth, Digital MP3 Computer Input, 48V Phantom Power, FX16 Bit DSP- PMXU63BT , Black : Musical Instruments
Midiman SAM S/PDIF-ADAT
MOTU 8D 8-Channel Interface with AES/EBU & S/PDIF 9375 B&H Photo
Linkfor 3 Optical Spdif Toslink 1 Coaxial Digital To Analog Audio Converter With Ir Remote Toslink Switch With Volume Control - Digital-to-analog Converter (dac) - AliExpress
Rane MP2015 with S/PDIF Input and Output - YouTube
Amazon.com: PreSonus Studio 1810c USB-C Audio Interface 18-in/8-out with 4 Xmax Preamps, ADAT I/O, S/PDIF I/O, MIDI I/O, DSP Monitor Mixer with Gravity Magnet Phone Holder and Pair EMB XLR Cables Bundle :
Mixing multiple consumer S/PDIF devices - Clock sync issues? | Audio Science Review (ASR) Forum
Midiman SAM S/PDIF-ADAT
MOTU 8D USB / AVB Interface with AES3 and S/PDIF (Demo Deal) - Vintage King
Gallery | FPGA S/PDIF Digital Audio Mixer | Hackaday.io
Numark PPD01 24-bit Digital DJ scratch Mixer with Digital Coax / SPDIF output, phono preamps, | Reverb
REVIEW: Pioneer DJM-850 4 Channel DJ Mixer • DJWORX
Best Optical/TOSLINK Out (S/PDIF) Digital Live & Studio Mixers | eBay
SKP Pro Audio D-Touch 20 Digital Mixing Console Touchscreen WiFi 20-Inputs/16-Bus/8-Outs | ProSoundGear
RME
Amazon.com: Pyle Professional Wireless DJ Audio Mixer - 3-Channel Bluetooth DJ Controller Sound Mixer w/USB Audio Interface, Combo Jack XLR+6.35mm Mic/Line/Guitar In, 3.5mm, RCA, AUX, Headphone Jack PAD33MXUBT : Musical Instruments
HR-UDC1 ‐ Universal Digital Audio Converter - AES/EBU, coaxial or optical S/PDIF, AES-3ID
Inday DA4X-R SPDIF 4x1 Digital Audio Switcher DA4X-R B&H Photo
