Teenage Engineering OP-1 Portable Synthesizer EXCELLENT Condition.

Teenage Engineering OP-1 Portable Synthesizer

Teenage Engineering OP-1 Portable Keyboard Synthesizer

Teenage Engineering OP-1 Portable Synthesizer Sampler Sequencer w/ Original Box

Teenage Engineering OP-1, newly installed battery + more

Teenage Engineering OP-1 Synthesizer Sampler Workstation Tested Working Japan

Teenage Engineering OP-1 Portable Synthesizer - Needs new connector board - Read

Teenage Engineering OP-1 [SEQUENCE KEY NEEDS TO BE REPLACED]