Quintessence Harmonizer: Two seperate mono-signals possible?

Quintessence Harmonizer: Two seperate mono-signals possible?

Can I use this pedal to effekt two seperate mono-signals? 2 x mono in, 2 x mono out? Both have line-level.

A: in the left and right upper sockets: E-Guitar from XT-Pod Live
B: in the left and right lower sockets: Keyboard from Audio-Interface

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Source: http://forum.tcelectronic.com