4K HDMI over Optical Fiber Extender with Audio Extraction and Bi-Directional IR (UHD-FO10-K) | OREI
DSD TECH DSD TECH HM-10 Bluetooth 4.0 BLE iBeacon UART Module with 4PIN Base Board for Arduino UNO R3 Mega 2560 Nano - want.jp
MCHStreamer - USB Audio Swiss-Army knife - Multichannel PCM/DSD/PDM/ADAT/TDM/SPDIF interface
High Quality MPX Stereo Encoder Circuit Module for PLL Fm Transmitter Radio Broadcasting Coder Board With Pilot Sync RDS Input - Etsy Sweden
XMOS USB to Koaxial / Optisch /I2S Konverter Digital Interface Audio Adapter DSD | eBay
HDMI Extender Splitter over Ethernet Cat6/Cat7 Cable w/ IR Remote Control Extension Support - Extend Long Distance HDMI Singal Distribution Kit Relay Hub Amplifier (8 Port - 1 Input 8 Outputs) - Walmart.com