Teenage Engineering OP-1 portable synthesiser, sampler, sequencer, and 4-track recorder. Awesome little synth in absolutely perfect condition, in its. No button/encoder issues or visible wear. I’ll include a solid case (the UDG Creator NI Kontrol Hardcase), which is a good fit and keeps it well protected. The item “Teenage Engineering OP-1 portable synth, sampler, sequencer, […]... Read More