The H8000 has a lot more power and algorithms than the Eclipse, and in your case, has the advantage that you already have one. Yes, you may only be using a proportion of its capability, but that will still be more than an Eclipse.

To use 2 algorithms with a stereo input, you need to understand the routing capabilities. You could try H8000 Series Routing Utility (Mac)  or

H8000 Series Routing Utility (Win), as appropriate.