| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | POM-5246P-R | Projects Unlimited | Mic Omni-Directional 2200Ohm -48±3dB 10Vdc Round Pin |
 | SMT-1427-S-R | Projects Unlimited | AUDIO MAGNETIC XDCR 3-7V SMD |
| AI-1223-TWT-2-R |
| Projects Unlimited |
| 12mm DC Audio Indicator, 1.2-3V, 2.3kHz, Tin Plating, Through Hole |
 | PKLCS1212E2400-R1 | Murata | PK Series 12 mm 2.4 kHz 75 dB External Drive Surface Mount Piezoelectric Sounder |
 | ZA016MDCT | Mallory Sonalert | MALLORY ZA016MDCT TRANSDUCER, ALARM, 85DBA, 16V, PANEL |
 | SCE028MD3CTB | Mallory Sonalert | Audio Indicator Piezo 16VDC 28VDC 40mA 75dBA/85dBA 2400Hz to 3400Hz Panel Mount Bulk |
 | SC648ANR | Mallory Sonalert | 26mA Panel Mount Audio Component, 10V-48V, 65°C |
No Image | AT-1127-ST-2-R | Projects Unlimited | PUI Audio AT-1127-ST-2-R Electromechanical Magnetic Transducer, 3V, 2.73kHz, 90dB |
 | SC250DR | Mallory Sonalert | Panel Mount Piezo 250V 16mA 65°C |
 | KCG0601 | Kingstate | 6R Coil, 80mA, 3kHz, Through Hole |
 | PT-2020PQ | Mallory Sonalert | 22mm Through Hole 5V DC Rated Voltage 1.5mA |
 | LSC110N | Mallory Sonalert | LSC110N 120V 63mA Panel Mount Speaker |
 | PL-27N26WQ | Mallory Sonalert | Black 12V 15mA Panel Mount Buzzer |
 | MR-23151-000 | Knowles | Analog MEMS Microphone, Omnidirectional, 5kHz, 1V, Waterproof |
 | SC110NR | Mallory Sonalert | Audio Indicator Piezo 30VDC/30VAC 120VDC/120VAC 24mA 80dBA 2400Hz to 3400Hz Panel Mount Screw Bulk |
 | POM-2244P-2-R | Projects Unlimited | Omnidirectional Electret Condenser Microphone, 2V Nominal, 2.2kR Impedance, PCB Mount |
 | SPQ1410HR5H-B | Knowles | MEMS Analog Mic, Omni, -42dB, 59dB SNR, 3.6V |
 | SC616NL | Mallory Sonalert | 42.9mm Diameter Black Panel Mount DC Indicator, 6-16V, 22mA |
 | PL-20A35EWQ | Mallory Sonalert | TRANSDUCER, PIEZO, 3.5KHZ, 95DB, 24VDC |
 | WBFK-30000-000 | Knowles | MEMS Mic, 6.8kHz Freq, 124R Imp, 1.93mm H, 2.73mm W, Solder Term |
