Grandmother''s semi-modular design ensures that human beings of any skill-level can easily explore and experience the joys and magic of analog synthesis -- start playing immediately with “no patching required”, then explore an infinite sonic playground with Grandmother’s endlessly reconfigurable front panel and analog spring reverb tank. Features Hardware Spring Reverb can be used to process external sounds ¼” External audio input for guitars, drum machines, and more. Easy to use Arpeggiator and Sequencer Store up to 3 sequences with up to 256 notes each 2 Analog Oscillators with selectable waveshape and hard sync Classic 4-Pole 10Hz-20kHz Ladder filter Patchable 1-Pole High Pass filter Analog ADSR Envelope Generator Specifications Semi-modular - no patching is required Works with Mother-32, DFAM, Eurorack modular systems and more Included Power Adapter 12V, 2A -100 to 240 Volts AC, 50/60Hz Dimensions: 23W x 14 1/4 D x 5 1/2 H WATCH: Moog Grandmother (Adrian Younge''s Thesis On Sound)