| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | ZA016LDCM1 | Mallory Sonalert | Audio Indicators & Alerts 6 to 16 VDC 3300 +/- 500 Hz |
 | AW-10FW-NSVC | Projects Unlimited | SIREN PIEZO INDICATOR 9-28V CHAS |
| AI-2304-TT-24V-R | Projects Unlimited | Audio Indicators & Alerts 400HZ 103dBA 24VDC | |
| SC628NDP | Mallory Sonalert | AUDIO PIEZO IND 10-28V PNL MNT | |
 | SC110R | Mallory Sonalert | Audio Indicator Piezo 30VDC/30VAC 120VDC/120VAC 19mA 68dBA 2400Hz to 3400Hz Panel Mount Screw Bulk |
 | PK-27N26PSQ | Mallory Sonalert | Audio Indicator Piezo 3VDC 28VDC 15mA 12VDC 90dBA 2000Hz to 3000Hz Through Hole Pin Bulk |
 | AT-1750-TFL-LW95-R | Projects Unlimited | AUDIO PIEZO TRANSDUCER 1-30V |
 | AI-4028-P-SP32-R | Projects Unlimited | Audio Indicators & Alerts 98 dba 32VDC 2800Hz |
 | AI-4033-TWT-R | Projects Unlimited | AUDIO PIEZO INDICATOR 3-20V TH |
| AI-4228-TF-LW140-R | Projects Unlimited | Audio Indicators & Alerts 12V 105dBA 2800Hz | |
| AW-10PR-NSVC | Projects Unlimited | SIREN PIEZO IND 9-28V PNL MNT | |
| PL-20A35EWQ | Mallory Sonalert | TRANSDUCER, PIEZO, 3.5KHZ, 95DB, 24VDC | |
 | PKLCS1212E40A1-R1 | Murata | Piezo Buzzer 25V 3V 4kHz 75dB SM T/R |
| SC250DR | Mallory Sonalert | Audio Indicator Piezo 60VDC/60VAC 250VDC/250VAC 16mA 60dBA 1600Hz to 2200Hz Panel Mount Screw Bulk | |
 | SC110ER | Mallory Sonalert | MALLORY SC110ER TRANSDUCER, PIEZO, 1.9KHZ, 78DBA, 120V |
 | SC616NR | Mallory Sonalert | Piezo Buzzer 6-16VDC 22mA 2.9kHz 80dBA Panel Mount Screw |
 | AI-4328-P-FP250-R | Projects Unlimited | Audio Indicators & Alerts 95db 2800Hz 220vac/d |
| PK-27N36WQ | Mallory Sonalert | TRANSDUCER, PIEZO, 3.5KHZ, 90DBA, 28VDC | |
| PT-2726PQ | Mallory Sonalert | AUDIO PIEZO TRANSDUCER 1-30V TH | |
| SC628AHR | Mallory Sonalert | TRANSDUCER, PIEZO, 4.5KHZ, 80DBA, 28V - More Details |
