| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | SMT-1341-T-R | Projects Unlimited | SMD Magnetic Transducer, 1-25V, 4.1kHz, 5mA |
 | SC628DPR | Mallory Sonalert | Audio Indicator Piezo 6VDC 28VDC 23mA 60dBA 1600Hz to 2200Hz Panel Mount Screw Bulk |
| MSR516NSR |
| Mallory Sonalert |
| MALLORY MSR516NSR PIEZO |
 | ZA028MDMP1 | Mallory Sonalert | Audio Indicator Piezo 16VDC 28VDC 40mA 75dBA 3400Hz to 4400Hz Panel Mount Quick Connect Bulk |
 | PF-21A31PQ | Mallory Sonalert | 12V 18mA Through Hole DC Audio Component |
 | POM-5238L-R | Projects Unlimited | 2V Omnidirectional MEMS Electret Condenser Microphone, 2.2kR Impedance, Solder Termination |
 | AT-1224-TWT-12V-R | Projects Unlimited | Audio Indicator Transducer Electromagnetic 12Vp-p 40mA Pin 6Vp-p 1900Hz to 2900Hz Through Hole |
No Image | CMS-40504N-L152 | Same Sky | CUI Devices CMS-40504N-L152 Speaker, 40mm Round, 2W, 4 Ohm, 500Hz |
 | CSS-1021028N | Same Sky | 8 Ohm, 10W General Purpose Speaker, 107 dB SPL, 102mm Square Frame |
 | ROM-2238P-NF-R | Projects Unlimited | Mic Omni-Directional 2200Ohm -38±3dB 10Vdc Round Pin |
 | MSO320R | Mallory Sonalert | PIEZO |
 | SCH110NR | Mallory Sonalert | 24mA, 120V, Flush Mount, Panel Mount, IP66, SCH Series |
 | WST-1205S | Soberton | Magnetic Transducer, 12mm, 2.3kHz, 5V, Through Hole |
 | KXG1205C | Kingstate | Piezo Buzzer, 30mA, 12mm Dia, 9.5mm Height, 2.6kHz Max Frequency |
 | SC110JR | Mallory Sonalert | 22mA Panel Mount Horn, 120V, 65°C |
 | SC628EJR | Mallory Sonalert | 28V DC Rated Voltage, 28mA Current Rating, Panel Mount, 65°C Operating Temperature |
 | SMT-1141-T-3-R | Projects Unlimited | SMD Piezo Transducer, 1-25V, 4.1kHz, 2.9mA, 12nF |
 | AT-1820-TWT-1V-R | Projects Unlimited | Speakers & Transducers EM 80dB 2250H 1.5Vpp |
 | GT-0950RP3 | Soberton | 9mm Audio Magnetic Transducer, 3.2kHz, 4-6V, Through Hole |
 | PK-35A29WQ | Mallory Sonalert | 12V 10mA Panel Mount DC Siren |
