Looking for a compact powerhouse This used Teenage Engineering OP-1 Synthesizer is in excellent condition, delivering pro-level performance in a sleek, portable design. Featuring a built-in synthesizer, 4-track tape recorder, sampler, and FM radio, it's perfect for music production on the go. The OP-1 includes an intuitive OLED display, custom color-coded knobs, and a rechargeable battery offering up to 16 hours of use. Its layered sound engines, sequencers, and onboard effects make it a favorite among producers. With USB connectivity for MIDI and file transfer, this unit brings versatility and creativity to your workflow.