https://www.amazon.com/Powered-Splitter-Composite-Distribution-Amplifier/dp/B082XTKN7L
https://www.amazon.com/DIGITNOW-Capture-Adapter-Grabber-Converter/dp/B08RMSJNW2/
You need a powered splitter to not get the level drop. And then if the split levels are too high with a powered splitter, you can use inline attenuators on the preamp outs (not splitter outs)