| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | SPM0404LE5H-QB | Knowles | MICROPHONE MEMS ANALOG OMNI |
| PT-3529FWQ | Mallory Sonalert | Audio Indicators & Alerts XDUCR, PIEZO, 2.9KHZ 90DB, 3WIRES, 42X16 | |
 |
| WBFK-30000-000 |
| Knowles |
| MEMS Mic, 6.8kHz Freq, 124R Imp, 1.93mm H, 2.73mm W, Solder Term |
 | ZA028LAFP1 | Mallory Sonalert | Audio Indicator Piezo 16VDC/16VAC 28VDC/28VAC 40mA 85dBA 2800Hz to 3800Hz Panel Mount Bulk |
 | ZA028MDDP2 | Mallory Sonalert | AUDIO PIEZO IND 16-28V PNL MNT |
 | ZA028SDDP2 | Mallory Sonalert | Audio Indicator Piezo 16VDC 28VDC 40mA 65dBA 3400Hz to 4400Hz Panel Mount Quick Connect Bulk |
 | ZA016MDDP2 | Mallory Sonalert | MALLORY ZA016MDDP2 TRANSDUCER, ALARM, 85DBA, 16V, PANEL |
 | ZA016LDSP1 | Mallory Sonalert | Audio Indicator Piezo 6VDC 16VDC 40mA 85dBA 3400Hz to 4400Hz Panel Mount Quick Connect Bulk |
 | ZA120MAFP1 | Mallory Sonalert | MALLORY ZA120MAFP1 TRANSDUCER, ALARM, 85DBA, 120V, PANEL |
 | ZA028LDDP2 | Mallory Sonalert | MALLORY ZA028LDDP2 TRANSDUCER, ALARM, 95DBA, 28V, PANEL |
| SCH307NR | Mallory Sonalert | Audio Indicator Piezo 3VDC 7VDC 12mA 80dBA 2400Hz to 3400Hz Flange Mount Screw Bulk |
 | SCH416R | Mallory Sonalert | Audio Indicator Piezo 4VDC 16VDC 14mA 68dBA 2400Hz to 3400Hz Flange Mount Screw Bulk |
 | BT-21834-000 | Knowles | Microphones |
 | GT12QP1 | Soberton | AUDIO MAGNETIC XDCR 1-2V TH |
 | FG-23329-P18 | Knowles | Microphones Omni-Directional Microphone |
 | POM-1345P-C3310-R | Projects Unlimited | Microphones MICROPHONE -45 DB 2 VDC .5 MA 2.2 KOHM |
 | SC110E | Mallory Sonalert | AUDIO PIEZO IND 30-120V PNL MNT |
 | FB-DW-30294-000 | Knowles | Microphones 3M, NOISE CANCELING 140MM LONG, 4.2 DIA |
 | MSO320SR | Mallory Sonalert | Audio Indicators & Alerts CONSTANT, 3-20VDC OCTAGON + SEALED |
 | SCE120XA3FP1B | Mallory Sonalert | Audio Indicator Piezo 48VAC 120VAC 40mA 95dBA 2400Hz to 3400Hz Panel Mount Bulk |
