Korg NTS-1, Digital DIY Synthesizer, Complete assembly kit can be easily assembled without soldering, Monophonic sound engine, The same multi engine as found in Porlogue and Minilogue XD synths with VPM waveforms, Freely-programmable user oscillator, Multimode filter (low pass, high pass, band pass), Digital effects from Prologue and Minilogue XD synths, Arpeggiator, 3 LFOs, 1 Envelope Generator, USB powered, Integrated speaker, Ribbon keyboard, Stereo headphone output: 3.5 mm Jack, AUX input: 3.5 mm Jack, Sync input/output: 3.5 mm Jack, MIDI input: 3.5 mm Jack, Micro USB port, Dimensions (W x D x H): 129 x 78 x 39 mm, Weight: 124 g