Four pins D Momentary Switch, single pole double throw, separate symbols 2x5 pin shrouded header 2.54 mm 2x5"/> Dual Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 | | Tayda | A-3588 | \** Use only four (4) potentiometers, either 9 mm pots, you're on your own! The jacks, like the SPDT toggle.