| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
| PK-20A25PQ | Mallory Sonalert | Audio Indicator Piezo 3VDC 24VDC 25mA 12VDC 95dBA 2000Hz to 3000Hz Through Hole Pin Bulk | |
 | API-4260-LW150-R | Projects Unlimited | AUDIO PIEZO IND 7-24V PNL MNT |
| AI-2304-TF-LW120-12V-R | Projects Unlimited | AUDIO MAGNETIC IND 8-16V CHASSIS | |
 | PS-562Q | Mallory Sonalert | DC Buzzer 5-15VDC 40mA 100dB 2.5kHz Wire Lead Flange Mount |
| SC616NPR | Mallory Sonalert | Audio Indicator Piezo 6VDC 16VDC 22mA 80dBA 2400Hz to 3400Hz Panel Mount Screw Bulk | |
 | SMT-1324-TW-1V-R | Projects Unlimited | SMT Audio Transducer, 1.5V, 2.4kHz, 30mA, Solder Pad |
 | POM-2246S-2-R | Projects Unlimited | MIC COND ANALOG OMNI -46DB |
| SC628N | Mallory Sonalert | Audio Indicator Piezo 6VDC 28VDC 16mA 80dBA 2400Hz to 3400Hz Panel Mount Screw Bulk | |
 | AI-2835-TF-LW150-3-R | Projects Unlimited | Audio Indicators & Alerts 12VDC 10MA 100DBA 3500HZ |
 | ZA120LADT7 | Mallory Sonalert | 22 mm panel mount, Fast Warble, 48-120 VAC/DC |
 | SC616NP | Mallory Sonalert | AUDIO PIEZO IND 6-16V PNL MNT |
 | AOM-4544P-2-R | Projects Unlimited | MEMS Mic, Omni, 2.2kR, -44dB, 1.5VDC, Analog, PC Pin |
 | SCH628PR | Mallory Sonalert | Audio Indicator Piezo 6VDC 28VDC 16mA 68dBA 2400Hz to 3400Hz Panel Mount Screw Bulk |
| LSC110N | Mallory Sonalert | AUDIO PIEZO IND 30-120V PNL MNT | |
 | AI-3135-TF-LW100-R | Projects Unlimited | Audio Indicators & Alerts 9VDC 8MA 105DBA 3500HZ |
 | POM-2244P-2-R | Projects Unlimited | PROJECTS UNLIMITED POM-2244P-2-R MICROPHONE, OMNI PCB, 6MM |
 | AT-2336-TWT-R | Projects Unlimited | Speakers & Transducers 12VP-P 8MA 11000PF |
| SC628H | Mallory Sonalert | AUDIO PIEZO IND 6-28V PNL MNT | |
 | PB2130UP002A | TDK | Audio Buzzer Piezo 4VDC 15VDC 20mA 75dBAdBA 2500Hz to 4100Hz Panel Mount Pin Box |
| LSC616N | Mallory Sonalert | AUDIO PIEZO IND 6-16V PNL MNT |
