IK Multimedia UNO Synth, Monophonic analog synthesizer with step sequencer, arpeggiator and effects section, Classic setup with 2 VCOs and noise generator, multimode filters, amps, 2 envelopes and LFO, Waveform VCOs Triangle, sawtooth and variable pulse width rectangle, Multimode filter with 12 dB / oct. slope and low, high and band pass characteristics as well as distortion and envelope, LFO with sine, triangle, rectangle, sawtooth ascending and descending as well as random and S & H, Versatile 16-step sequencer, Arpeggiator with 10 play modes, hold function and 4 octave range, Integrated effect section with delay, dive, scoop, vibrato, wah and tremolo, Multi-touch keyboard with 27 semitones, 13 adjustable scales, MIDI via USB and mini-jack DIN adapter, Editor and library software for Mac and PC, Complete MIDI implementation of all parameters as well as Clock, 20 Non-rewritable factory sounds and 80 user memories, Powered by 4x AA battery or micro USB port, Audio input 3.5 mm stereo mini jack with mono summing, Audio output 3.5 mm stereo mini jack with mono summing, Dimensions: 256 x 150 x 49 mm, Weight: 0.4 kg (without batteries), Includes Micro USB to USB cable, 2x MIDI adapter from mini jack to DIN socket and 4x AA battery