| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | AI-2429-TWT-2-R | Projects Unlimited | Piezo Indicator, 8-18V DC, 2.9kHz, Through Hole |
 | PKLCS1212E2000-R1 | Murata | Piezo Buzzer 2kHz 3-25V 70dB SM T/R |
 |
| PK-20A35EWQ |
| Mallory Sonalert |
| Piezo Buzzer 3-24VDC 10mA 3.5kHz 95dBA Wire Lead |
 | AI-4219-P-C28-R | Projects Unlimited | 12VDC Audio Indicator, 1.9kHz, 81dBA, Panel Mount |
| AI-2604-TF-LW115-24V-R | Projects Unlimited | 24VDC 25mA 400Hz Audio Indicator, 26mm Diameter, Wire Lead |
 | AOM-4544P-2-R | Projects Unlimited | MEMS Mic, Omni, 2.2kR, -44dB, 1.5VDC, Analog, PC Pin |
 | PB-12N23P-05Q | Mallory Sonalert | Piezo Buzzer 4-7VDC 30mA 2.3kHz 85dBA Through Hole |
 | SMI-1324-TW-5V-2-R | Projects Unlimited | 5V 30mA 2.4kHz SMD Magnetic Transducer |
 | AI-3238-TF-LW140-R | Projects Unlimited | 12VDC Audio Indicator, 3.8kHz, 10mA, Wire Lead Mount |
 | AW-10PW-NSVC | Projects Unlimited | Piezo Siren, 9-28V DC, 2.9kHz, Panel Mount, IP65 |
 | AI-5025-TWT-R | Projects Unlimited | Audio Indicator 5-13VDC 2.5kHz 115dB Through Hole |
 | ASI301TRQ | Mallory Sonalert | 5V 2.4kHz 30mA SMT Magnetic Buzzer |
 | AI-2337-TF-LW115-R | Projects Unlimited | 12VDC Audio Indicator, 3.7kHz, 100dBA, Wire Leads |
 | SMT-0827-S-2-R | Projects Unlimited | SMD Magnetic Transducer, 2.7kHz, 3.6V, 15R, 90mA |
 | MSS5M1 | Mallory Sonalert | Audio Piezo Buzzer 5V DC, 2.075kHz, 8 Ohm, Thru Hole |
 | AI-2332-TWT-12V-2-R | Projects Unlimited | 12V DC Piezo Audio Indicator, 3.2kHz, Through Hole |
 | SC628DR | Mallory Sonalert | Piezo Buzzer 6-28VDC Panel Mount Screw 1.9kHz-2.2kHz 60dBA |
 | MCP320Q | Mallory Sonalert | Piezo Indicator, Radial, 3.15kHz, 12VDC, 25mA |
 | PK-27N36PSQ | Mallory Sonalert | 3-28V DC Piezo Indicator, 3.5kHz, 15mA, 30mm Dia, TH |
 | PK-27N25WQ | Mallory Sonalert | Piezo Buzzer 3-28VDC 8mA 2.5kHz 90dBA Wire Lead |
