The Korg NTS-1 is a unique, flexible, and easy-to-assemble DIY synthesizer kit that requires no soldering. It features a single monophonic digital oscillator, one multimode filter, one envelope generator (EG), and three LFOs. The device includes three stereo effect processors for modulation (Chorus, Ensemble, Phaser, Flanger), delay, and reverb. It has a full arpeggiator with multiple ranges, scales, and modes. The NTS-1 is compatible with Korg's logue-SDK, allowing users to load custom oscillators and effects. It is powered via USB micro-B.