Yes, it's a weird mono box which can be bent to stereo. But if you want a more normal stereo (virtual) analog synth, there are plenty of other options out there.
It really seems like you keep finding things on here that you won't like. It's a really peculiar box and it doesn't operate like 'regular' synths. Nor like regular groove boxes. Sometimes that can be a bit frustrating and weird. But you can also get sounds and sessions out of it that you won't get anywhere else.
But if playing with external keyboards and having stereo sounds and having 'normal' midi connections is what you want, there are a bevy of other options at this price point and lower now.