Here for sale 2020s Oopegg Super Retro Comp Compressor OPC-1 guitar pedal. It's in excellent condition and comes as pictured. OOPEGG handmade analog pedal inspired by earlier all tube electro-optical compressor. OCP-1 has four-simple control knobs. Each knob has wide-range control and it’s perfect for creating various kinds of popular style music in recording and live performance.