Amplifiers, DIP-14/SOIC-14/SSOP-14 2 pin Molex connector 2.54 mm spacing | | S1 | 1 | 10R | Resistor | | | | | | R15, R17, R19 | 3 | 100R | Resistor | | | | S3 | 1 | AudioJack2_SwitchT | Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling)2 pin Molex connector 2.54 mm spacing D Switch, triple pole double throw, illuminated paddle, red and green LEDs K switch dual double-pole single-throw OFF-ON D Single Pole Single Throw (SPST) switch, small symbol D Switch, triple pole double throw K switch sp3t ON-ON-ON D Switch, single pole double throw, separate symbols Quad Low-Noise JFET-Input Operational Amplifiers, DIP-14/SOIC-14"/>