Question

need to expand the quantum but $1000.00 for another quantum original is too much but the 2626 at 599.00 is doable, will it work?

Answer 1

Yes, read this article on how to do that:

https://support.presonus.com/hc/en-us/articles/360040368472-Connecting-Quantum-Quantum-2-or-Quantum-4848-to-Quantum-2626