| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | AI-3435-TF-LW140-R | Projects Unlimited | 12V 5mA DC Input Panel Mount Audio Component |
 | FG-23329-D65 | Knowles | Analog MEMS Microphone, Omnidirectional, 1.3V, 4.4kR, 50uA |
| AOM-4544P-NF-R |
| Projects Unlimited |
| Microphones 2.2kOhm x 9.7mm |
 | SC110D | Mallory Sonalert | Black 42.85mm Panel Mount LED |
 | ZA120LADP3 | Mallory Sonalert | 120V 40mA Panel Mount Zener Diode, 48V to 120V, -30°C to 65°C |
 | AW-10FW | Projects Unlimited | General Purpose DC Power Supply, 9-28V, 35mA, Flush Mount, IP65 |
 | PKM22EPPH2002-B0 | Murata | Sounder, Piezo, 15V, 79Db, 2Khz Rohs Compliant: Yes |Murata PKM22EPPH2002-B0 |
 | PB-1621PQ | Mallory Sonalert | Speakers & Transducers XDUCR, 4-7VPP 2048HZ, SEALED |
 | POM-2746L-R | Projects Unlimited | Omnidirectional Electret Condenser Microphone, 2.7mm Dia, 2.7mm Height, 2V 500uA |
 | KXG1606C | Kingstate | 16mm Piezo Buzzer, 2.5kHz, 50mA, 4-7V, Through Hole |
 | SC648S | Mallory Sonalert | 35mA DC Panel Mount Audio Component, 10V, 65°C |
 | AI-2429-TWT-3P-R | Projects Unlimited | 12VDC Audio Indicator, 2.9kHz, 7mA, 90dB, Through Hole |
No Image | SCE028MD3MP1B | Mallory Sonalert | 42.85mm Black DC-Operated Buzzer, 16-28V, 40mA, Panel Mount |
 | PKM22EPPH2001-B0 | Murata | 22mm Through Hole Dynamic Speaker, 19nF, 3-30V, -20-70°C |
 | SCE120XA3CTB | Mallory Sonalert | General Purpose Audio Indicator, 48V AC, 25mA, 2.9kHz, Flush Mount |
 | ST-03CH | Soberton | SMD Magnetic Transducer 5V 2.73kHz 70°C |
 | SC628AN | Mallory Sonalert | Panel Mount Piezo Alarm, 28V, 30mA, 65°C, Black Housing |
 | SC110NP | Mallory Sonalert | 42.85mm Diameter Piezo Alarm, 30V-120V, 24mA, -30°C to 65°C |
 | PS-551Q | Mallory Sonalert | 12V 200mA DC Input Chassis Mount Audio Component |
 | PB-2211 | Soberton | Piezo Buzzer 12V DC 4.5kHz Panel Mount Wire Lead |
