Ultra-compact true-analog synthesizer from monotron series that features wide-range ribbon controller keyboard and Space Delay with Time and Feedback controls that produces intense, analog-like echo effects. It also has new Pitch LFO with selectable triangle or square waveshape, Rate and Intensity controls; and Original analog (VCF) filter taken from the classic MS-10 and MS-20, with Cut-off control. Synthesizer is equipped with miniature internal speaker and dedicated headphone jack for private use with Volume control, as well as aux input jack for applying delay any filter to any audio source. Device is powered by two AAA batteries with life span of approx. 8 hours (included).