- Button And Strip Battery Connector (3)
- buzzer (4)
- Buzzers (21)
- Piezo Buzzers (2)
- Speakers (20)
- Ultrasonic Receivers, Transmitters (1)
- Challenge Electronics CS28-02W220-05-1X
- Challenge Electronics CS13-00P20-03-1X
- Challenge Electronics CS15-01R95-03-2X
- Challenge Electronics CS15-01P100-04-1X
- Challenge Electronics CS40-01P50-04-1X
- Challenge Electronics CS18-01S100-05-1
- Challenge Electronics CAC25-01W75-07-1X
- Challenge Electronics CS17-01P100-03-1X
- Challenge Electronics CS15-01P95-03-1X
- Challenge Electronics CS28-02W57-07-1X
- Challenge Electronics CT11P-25S410-2
- Challenge Electronics CT25E-16T150-1
- Challenge Electronics CI35P-30E240-C-10X
- Challenge Electronics CI12E-07T230-C-5
- Challenge Electronics CI25P-16T290-C-1X
- Challenge Electronics CI26P-16T40-C-1X
- Challenge Electronics CT05E-04S310-1
- Challenge Electronics CT03E-04S400-1B
- Challenge Electronics CI41P-20T280-C-1X
- Challenge Electronics CT03E-04S400-1