| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | PK-20N38PQ | Mallory Sonalert | TRANSDUCER, PIEZO, 3.8KHZ, 85DBA, 28VDC |
 | AST-03008MR-R | Projects Unlimited | 8 Ohm 150mW Dynamic Speaker, 20kHz, 70°C, Through Hole |
 |
| ZA120LACM1 |
| Mallory Sonalert |
| 22 mm panel mount, Chime Tone, 16-28 VDC |
 | MAS803Q | Mallory Sonalert | Audio Indicators & Alerts CONSTANT, 1.5-6VDC XLOUD, 26X22MM |
 | ZA028MDMT1 | Mallory Sonalert | Audio Indicators & Alerts 16 to 28 VDC 3300 +/- 500 Hz |
 | ZA028MDMT4 | Mallory Sonalert | Audio Indicators & Alerts 16 to 28 VDC 3300 +/- 500 Hz |
| SMT-0927-S-4-R | Projects Unlimited | AUDIO MAGNETIC XDCR 2-4V SMD |
 | ZA016MDCT | Mallory Sonalert | MALLORY ZA016MDCT TRANSDUCER, ALARM, 85DBA, 16V, PANEL |
 | PK-21A29PQ | Mallory Sonalert | AUDIO PIEZO INDICATOR 3-24V TH |
 | MAS800SQ | Mallory Sonalert | Audio Indicator Piezo 9VDC 12VDC 50mA 103dBA 2200Hz to 3200Hz Through Hole Pin Bulk |
 | AW-30SBW | Projects Unlimited | SIREN PIEZO INDICATOR 9-28V BASE |
 | POM-2735P-R | Projects Unlimited | MIC COND ANALOG OMNI -35DB |
 | POM-2746P-R | Projects Unlimited | MIC COND ANALOG OMNI -46DB 6MM D |
 | SC628EJR | Mallory Sonalert | TRANSDUCER, PIEZO, 1.9KHZ, 78DBA, 28VDC - More Details |
 | POM-2738L-R | Projects Unlimited | MIC COND ANALOG OMNI -38DB 6MM D |
 | SC628DR | Mallory Sonalert | Piezo Buzzer 6-28VDC Panel Mount Screw 1.9kHz-2.2kHz 60dBA |
 | SC628DPR | Mallory Sonalert | Audio Indicator Piezo 6VDC 28VDC 23mA 60dBA 1600Hz to 2200Hz Panel Mount Screw Bulk |
 | SCE028LD3CTB | Mallory Sonalert | Audio Indicator Piezo 16VDC 28VDC 40mA 85dBA/95dBA 2400Hz to 3400Hz Panel Mount Bulk |
 | POM-5242P-R | Projects Unlimited | MIC COND ANALOG OMNI -42DB |
 | TOM-1545S-C33-R | Projects Unlimited | MIC COND ANALOG OMNI -45DB 4MM D |
