Digitakt Inputs Problem in Logic X

Hello

I Use Digitakt (Overbridge) in Logic X, Digitakt inputs are 2 x Mono Synths (Left input 1 Synth, Right input other Synth ) connected and i want to monitoring synths separately. Digitakt (Plugin) have 10xMono - 1xStereo9xMono - 5xStereo,5xMono - -10x Stereo Outputs options. Left inputs monitoring works always but right inputs monitoring work just with 10xStereo. When i choose 10xStereo both synth on the same Channel and i can not monitoring separately !

any idea? any solution ?