The typical Y-splitter is wire-based, so it should benefit from a burn-in conditioning using a Cable Cooker. Just daisy chain them together and use an extra conventional interconnect (if needed) to complete the connection between the Cable Cooker’s input and output.
Please remember to heed Teo Audio’s warning about NOT conditioning their interconnects with a Cable Cooker.
Please remember to heed Teo Audio’s warning about NOT conditioning their interconnects with a Cable Cooker.