| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | SC110MH | Mallory Sonalert | Audio Indicator Piezo 30VDC/30VAC 120VDC/120VAC 18mA 71dBA 4000Hz to 5000Hz Panel Mount Screw Bulk |
 | PS1440P02BT | TDK | Audio Buzzer Piezo 30Vo-p 3Vo-p 75dBA Through Hole Pin Ammo |
| EM-23046-C36 |
| Knowles |
| MICROPHONE COND ANALOG OMNI |
| PF-21N30WQ | Mallory Sonalert | Audio Indicators & Alerts FAST PULSE, 3-30VDC 3KHZ, 80DB, 24X9.5MM |
 | LSC616 | Mallory Sonalert | Audio Indicators & Alerts CONSTANT, 6-16VDC ALARM + LED, MEDIUM |
 | VFG-30747-000 | Knowles | MIC COND ANALOG -55DB 3MM D |
 | FG-23652-P16 | Knowles | MICROPHONE COND ANALOG OMNI |
 | ZA028LADP2 | Mallory Sonalert | MALLORY ZA028LADP2 TRANSDUCER, ALARM, 95DBA, 28V, PANEL |
 | AB2072S | Projects Unlimited | BUZZER ELEMENT STD 7.2KHZ 20MM |
 | APS4812B-LW100-R | Projects Unlimited | BUZZER ELEMENT STD 1.2KHZ 50MM |
 | EK-23027-C36 | Knowles | MICROPHONE COND ANALOG OMNI |
 | SCE120XA3DL1B | Mallory Sonalert | Audio Indicator Piezo 48VAC 120VAC 70mA 95dBA 2400Hz to 3400Hz Thread Mount Quick Connect Bulk |
 | VEK-F-30351-000 | Knowles | 721-VEK-F-30351-000 |
 | VEK-F-30352-000 | Knowles | Microphones 200M, OMNI, 20MMWIRE 16MM DIA, 3 WIRE |
| BL-27046-000 | Knowles | Microphones 7.92 X 5.59 X 2.28MM -69 SENS, 12S PORT |
| SCE120XA3SP1B | Mallory Sonalert | MALLORY SCE120XA3SP1B TRANSDUCER, PIEZO, 2.9KHZ, 105DBA, 120V |
 | AB2025B | Projects Unlimited | BUZZER ELEMENT STD 2.5KHZ 20MM |
 | SPU0410HR5H-PB | Knowles | MEMS Mic Analog Omni 59dB SNR 3.6V 250uA |
| SCE028XD3MG5B | Mallory Sonalert | Audio Indicators & Alerts MULTI-TONE 16-28VDC, 3KHZ, XLOD |
 | PT-2065FWQ | Mallory Sonalert | Audio Indicators & Alerts XDUCR, PIEZO, 6KHZ 85DB, 3WIRES, 24X4.5 |
