I just got my new Exile Javelin 5 channel amp to power my cabin speakers and Sub. I also have an Exile Harpoon amp powering two XM9 tower speakers. Everything is run through an Exile Zone Line Driver.

Here is my question. I have one RCA output that comes from my ZLD for my cabin speakers and one for my Sub. The Exile has 3 RCA inputs: Front, rear, Sub. Can I use a "Y" splitter to send the signal to both inputs? Will this cause any signal loss, or is there any other reason NOT to do this?

Right now I have the switch on the sub set so that it only needs a single input for all 3, which works fine but that makes my sub frequency and level knobs on my ZLD useless.