It used to be able to do this, but I think that was causing bugs elsewhere. You can support it with a PB firmware downgrade if this this best option for you but you’ll miss other new features and bug fixes unfortunately. See the recent post on this here:
Really appreciate you sharing your EE knowledge! I’ve also read that people have used cheap buffer ICs (essentially op amps) to duplicate signal paths and avoid impedance mismatch issues. I suspect that’s what’s inside this SP901E device that people sometimes recommend: