| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | AST1575BMATRQ | Mallory Sonalert | SMD Piezo Transducer, 7V, 5mA, 3.65kHz, -30°C to 85°C |
 | SPH0611LR5H-1 | Knowles | Omni MEMS Mic | Analog Output | 65dB SNR | 3.6V | 1.08mm Depth |
| PK-12N40PEQ |
| Mallory Sonalert |
| Piezo Audio Indicator, 12VDC, 10mA, 4.1kHz, Through Hole |
 | INMP510ACEZ-R7 | TDK | MEMS Microphone, Analog, Omnidirectional, LGA, 350Ω |
 | SMT-0823-S-R | Projects Unlimited | SMD Magnetic Transducer 2.3kHz 3-7V 5V 70mA |
 | AST200Q | Mallory Sonalert | 80mA Surface Mount Audio Component, 2.73kHz Self Resonant Frequency, 4V Max Supply Voltage |
 | MSR516NJR | Mallory Sonalert | 16V DC Rated Voltage Through Hole Audio Component |
 | MSO206NR | Mallory Sonalert | Piezo Buzzer Indicator 2-6VDC 30mA 85dBA 3-4kHz Through Hole |
 | PKM22EPPH4007-B0 | Murata | 22mm Piezo Transducer, 4kHz, 30V, Through Hole |
 | PB-1622PQ | Mallory Sonalert | Speakers & Transducers XDUCR, 10-14VPP 2048HZ, SEALED |
 | MAS800SQ | Mallory Sonalert | Grey Piezo Alarm, 50mA, 9-12V, Through Hole, -20°C to 90°C |
 | POM-3535P-3-R | Projects Unlimited | MEMS Condenser Mic, Analog Omni, 2.2kR, 3.7mm H, 6mm D |
 | SMT-0827-SW-3V-R | Projects Unlimited | SMD Magnetic Transducer 3.6V 2.73kHz 60mA |
 | PK-35N29WQ | Mallory Sonalert | Panel Mount Buzzer 12V 10mA 42mm Black |
 | AST-01508MR-R | Projects Unlimited | 15mm Dynamic Speaker 8R 300mW 1.7kHz Top Port |
 | SMI-1324-TW-5V-3-R | Projects Unlimited | SMD Buzzer 5VDC 2.4kHz 30mA Surface Mount |
 | PK-27N36WQ | Mallory Sonalert | 12V 15mA DC-Operated Buzzer, 30mm Dia, 70°C Max Temp |
 | PS-953Q | Mallory Sonalert | Piezo Buzzer 12VDC 150mA 2.25kHz 105dBA Wire Lead |
 | FG-23629-P16 | Knowles | Analog MEMS Microphone, Omnidirectional, 10kHz, 50uA |
 | PK-27N26PSQ | Mallory Sonalert | 12V 15mA Through Hole Piezo Alarm |
