Computer and sound card first and despite the price performance is very good.
I use it for more than a year. It is a comprehensive synthesizer for creating a sound using any method of foundation of sound synthesis (waveform, additive, filters, waveshaping, sample playback, granular, LFO, envelope editable at will)
In short it's good synth, has both "simple" and complete that I love.
But if I need a quick sound is not necessarily this one I choose ...