| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | EK-23132-000 | Knowles | MICROPHONE COND ANALOG OMNI |
 | PNM-5250L-R | Projects Unlimited | MEMS Electret Condenser Microphone, 1.5V, 500uA, 10V, Bulk Package |
 |
| 14-810.918 |
| EOZ |
| 35mm Diameter Piezo Speaker, DC Input, 24V Max, Through Hole Mount |
 | SMT-0827-TW-5V-R | Projects Unlimited | Square 5.5x8.5mm 5V 60mA Surface Mount Audio Component |
 | PT-1550WQ | Mallory Sonalert | 5V 1.5mA Wire Lead Audio Component |
 | KXG1212C | Kingstate | 12mm Diameter Piezo Speaker, 9.5mm Height, 2.6kHz Max Frequency |
 | POM-2738P-C33-R | Projects Unlimited | Omnidirectional Electret Condenser Microphone, 2.2kR Impedance, 10V Max Supply |
 | POW-2744P-B-R | Projects Unlimited | Microphones -44DB 2VDC .5MA 2.2KOHM |
 | ZA028MDDT7 | Mallory Sonalert | Zener Diode 28V 40mA Panel Mount |
 | AT-0927-TT-3-R | Projects Unlimited | 9mm Round Contact, Tin Plated, 3V, 70mA, Through Hole Mount, 70°C |
 | SCE016LD3DT8B | Mallory Sonalert | 40mA Panel Mount DC Input Transducer, 6-16V, -40°C to 85°C |
 | AT-3237-TF-LW140-R | Projects Unlimited | 12V 7mA Round Panel Mount Audio Component |
 | PLD-27A35WQ | Mallory Sonalert | Piezo Indicator, 3V-24V, 15mA, Through Hole, -20C to 70C |
 | AOW-4544L-C3310-B-R | Projects Unlimited | Omnidirectional Electret Condenser Microphone 2V 10V 2.2kR 500uA Solder Pad |
 | AS04008PO-2-WR-R | Projects Unlimited | General Purpose Rectangular Speaker, 40mm Length, 11.5mm Depth, 2W Power Dissipation |
 | ZA016LDSP1 | Mallory Sonalert | Panel Mount Piezo Driver, 16V, 40mA, 3.3kHz, -30°C to 65°C |
 | AOM-6742P-2-R | Projects Unlimited | Omnidirectional Electret Condenser Microphone, 1.5V, 500uA, 2.2kR, PC Pins |
 | PK-27A35WQ | Mallory Sonalert | Piezo Indicator 3VDC 12VDC 24VDC 10mA Through Hole |
 | AT-2428-TWT-R | Projects Unlimited | Round Audio Component, 12V, 8mA, Through Hole Mount, -20°C to 85°C |
 | SC307N | Mallory Sonalert | 42.85mm Diameter Piezo Speaker, DC Input, Black Housing, 12mA Supply Current |
